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Home Osteomyelitis or Septic Arthritis-Child (Excluding Axial Skeleton)
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Septic arthritis suspected, elbow, initial imaging 3194970
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow
<0.1 mSv
☢
Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, tibia/fibula, initial imaging 3194977
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography tibia and fibula
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan leg
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, humerus, initial imaging 3194965
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography humerus
<0.1 mSv
☢
Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
3-phase bone scan arm
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, hand, initial imaging 3194972
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand
<0.1 mSv
☢
Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, hand, initial imaging 3194963
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand
<0.1 mSv
☢
Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, foot, initial imaging 3194958
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, forearm, initial imaging 3194962
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography radius and ulna
<0.1 mSv
☢
Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan forearm
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, knee, initial imaging 3194974
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, elbow, initial imaging 3194960
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow
<0.1 mSv
☢
Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, wrist, initial imaging 3194967
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist
<0.1 mSv
☢
Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, ankle, initial imaging 3194959
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, foot, initial imaging 3194976
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, wrist, initial imaging 3194971
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist
<0.1 mSv
☢
Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, shoulder, initial imaging 3194969
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, hip, initial imaging 3194964
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, hip, initial imaging 3194973
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, shoulder, initial imaging 3194968
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, knee, initial imaging 3194966
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, femur, initial imaging 3194961
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography femur
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan femur
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, ankle, initial imaging 3194975
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Osteomyelitis suspected, shoulder, findings suggestive of osteomyelitis on radiography, next imaging study 3194993
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, humerus, radiography normal, next imaging study 3195010
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, shoulder, findings suggestive of osteomyelitis on radiography, next imaging study 3195024
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, femur, radiography normal, next imaging study 3194981
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, femur, radiography normal, next imaging study 3195005
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, forearm, findings suggestive of osteomyelitis on radiography, next imaging study 3195019
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, ankle, radiography normal, next imaging study 3194979
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, femur, findings suggestive of osteomyelitis on radiography, next imaging study 3195000
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, femur, findings suggestive of osteomyelitis on radiography, next imaging study 3195017
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, wrist, findings suggestive of osteomyelitis on radiography, next imaging study 3194991
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis suspected, forearm, findings suggestive of osteomyelitis on radiography, next imaging study 3194998
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
Image-guided biopsy elbow

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, shoulder, radiography normal, next imaging study 3195012
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, humerus, radiography normal, next imaging study 3194986
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, wrist, radiography normal, next imaging study 3194990
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, forearm, radiography normal, next imaging study 3195007
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, hip, findings suggestive of osteomyelitis on radiography, next imaging study 3195021
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, shoulder, radiography normal, next imaging study 3194988
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, ankle, findings suggestive of osteomyelitis on radiography, next imaging study 3195002
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, elbow, findings suggestive of osteomyelitis on radiography, next imaging study 3195016
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, forearm, radiography normal, next imaging study 3194983
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, hand, findings suggestive of osteomyelitis on radiography, next imaging study 3194997
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, wrist, radiography normal, next imaging study 3195014
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis suspected, humerus, findings suggestive of osteomyelitis on radiography, next imaging study 3194995
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, hip, radiography normal, next imaging study 3195009
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, wrist, findings suggestive of osteomyelitis on radiography, next imaging study 3195026
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, tibia fibula, radiography normal, next imaging study 3195013
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, knee, radiography normal, next imaging study 3194987
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, elbow, radiography normal, next imaging study 3195004
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, tibia fibula, findings suggestive of osteomyelitis on radiography, next imaging study 3195025
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, hip, radiography normal, next imaging study 3194985
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, foot, findings suggestive of osteomyelitis on radiography, next imaging study 3194999
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT area of interest without IV contrast

Varies
Varies 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, knee, findings suggestive of osteomyelitis on radiography, next imaging study 3195023
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, elbow, radiography normal, next imaging study 3194980
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, knee, findings suggestive of osteomyelitis on radiography, next imaging study 3194994
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, knee, radiography normal, next imaging study 3195011
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, foot, findings suggestive of osteomyelitis on radiography, next imaging study 3195018
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, tibia fibula, findings suggestive of osteomyelitis on radiography, next imaging study 3194992
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, foot, radiography normal, next imaging study 3195006
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, hand, radiography normal, next imaging study 3194984
US hand with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis suspected, elbow, findings suggestive of osteomyelitis on radiography, next imaging study 3195001
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, hand, radiography normal, next imaging study 3195008
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, humerus, findings suggestive of osteomyelitis on radiography, next imaging study 3195022
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, foot, radiography normal, next imaging study 3194982
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, hip, findings suggestive of osteomyelitis on radiography, next imaging study 3194996
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, ankle, radiography normal, next imaging study 3195003
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, hand, findings suggestive of osteomyelitis on radiography, next imaging study 3195020
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT area of interest without and with IV contrast

Varies
Varies 		Usually not appropriate
CT area of interest without IV contrast

Varies
Varies 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, ankle, findings suggestive of osteomyelitis on radiography, next imaging study 3195015
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, tibia fibula, radiography normal, next imaging study 3194989
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Septic arthritis suspected, wrist, initial imaging 3195047
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist
<0.1 mSv
☢
Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, hand, initial imaging 3195033
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand
<0.1 mSv
☢
Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, ankle, initial imaging 3195040
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, hip, initial imaging 3195045
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, ankle, initial imaging 3195028
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, femur, initial imaging 3195030
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography femur
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan femur
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, humerus, initial imaging 3195035
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography humerus
<0.1 mSv
☢
Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan arm
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, hand, initial imaging 3195044
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand
<0.1 mSv
☢
Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, shoulder, initial imaging 3195037
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, foot, initial imaging 3195042
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, wrist, initial imaging 3195039
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist
<0.1 mSv
☢
Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, forearm, initial imaging 3195032
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography radius and ulna
<0.1 mSv
☢
Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan forearm
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, elbow, initial imaging 3195041
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow
<0.1 mSv
☢
Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, shoulder, initial imaging 3195046
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, hip, initial imaging 3195034
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, knee, initial imaging 3195036
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, tibia fibula, initial imaging 3195038
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography tibia and fibula
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan leg
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, knee, initial imaging 3195043
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, elbow, initial imaging 3195029
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow
<0.1 mSv
☢
Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Osteomyelitis suspected, foot, initial imaging 3195031
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Osteomyelitis or septic arthritis suspected, ankle, radiography normal, next imaging study 3195061
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, femur, findings suggestive of osteomyelitis on radiography, next imaging study 3195087
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan femur
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, femur, radiography normal, next imaging study 3195063
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan femur
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, ankle, radiography normal, next imaging study 3195049
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, humerus, findings suggestive of osteomyelitis on radiography, next imaging study 3195092
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan arm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, femur, findings suggestive of osteomyelitis on radiography, next imaging study 3195075
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan femur
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, humerus, radiography normal, next imaging study 3195068
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan arm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, knee, radiography normal, next imaging study 3195054
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, shoulder, findings suggestive of osteomyelitis on radiography, next imaging study 3195094
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, humerus, findings suggestive of osteomyelitis on radiography, next imaging study 3195080
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan arm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, ankle, findings suggestive of osteomyelitis on radiography, next imaging study 3195073
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, hip, radiography normal, next imaging study 3195056
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, shoulder, findings suggestive of osteomyelitis on radiography, next imaging study 3195082
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, forearm, radiography normal, next imaging study 3195058
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan forearm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, wrist, findings suggestive of osteomyelitis on radiography, next imaging study 3195084
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, shoulder, radiography normal, next imaging study 3195070
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, forearm, findings suggestive of osteomyelitis on radiography, next imaging study 3195089
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan forearm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, wrist, radiography normal, next imaging study 3195072
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis suspected, hip, findings suggestive of osteomyelitis on radiography, next imaging study 3195091
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, wrist, radiography normal, next imaging study 3195051
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, forearm, findings suggestive of osteomyelitis on radiography, next imaging study 3195077
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan forearm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, femur, radiography normal, next imaging study 3195060
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan thigh

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan femur
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, shoulder, radiography normal, next imaging study 3195053
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, wrist, findings suggestive of osteomyelitis on radiography, next imaging study 3195096
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, hip, findings suggestive of osteomyelitis on radiography, next imaging study 3195079
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, forearm, radiography normal, next imaging study 3195065
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan forearm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan forearm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, knee, findings suggestive of osteomyelitis on radiography, next imaging study 3195081
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, hip, radiography normal, next imaging study 3195067
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, elbow, radiography normal, next imaging study 3195050
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, elbow, findings suggestive of osteomyelitis on radiography, next imaging study 3195086
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, knee, radiography normal, next imaging study 3195069
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, tibia fibula, findings suggestive of osteomyelitis on radiography, next imaging study 3195095
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan leg
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, humerus, radiography normal, next imaging study 3195055
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan arm

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan arm
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Osteomyelitis suspected, foot, findings suggestive of osteomyelitis on radiography, next imaging study 3195088
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, elbow, findings suggestive of osteomyelitis on radiography, next imaging study 3195074
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, knee, findings suggestive of osteomyelitis on radiography, next imaging study 3195093
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis or septic arthritis suspected, elbow, radiography normal, next imaging study 3195062
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, hand, findings suggestive of osteomyelitis on radiography, next imaging study 3195078
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, foot, radiography normal, next imaging study 3195064
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, hand, findings suggestive of osteomyelitis on radiography, next imaging study 3195090
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, tibia fibula, findings suggestive of osteomyelitis on radiography, next imaging study 3195083
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan leg
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, hand, radiography normal, next imaging study 3195066
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis suspected, tibia fibula, radiography normal, next imaging study 3195052
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan leg
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, tibia fibula, radiography normal, next imaging study 3195071
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan leg

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan leg
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
Osteomyelitis suspected, hand, radiography normal, next imaging study 3195057
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
Osteomyelitis or septic arthritis suspected, foot, findings suggestive of osteomyelitis on radiography, next imaging study 3195076
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, foot, radiography normal, next imaging study 3195059
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Osteomyelitis suspected, ankle, findings suggestive of osteomyelitis on radiography, next imaging study 3195085
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Septic arthritis suspected, knee, radiography normal, next imaging study 3195103
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, foot, possible joint effusion on radiography, next imaging study 3195108
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, hip, possible joint effusion on radiography, next imaging study 3195110
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, shoulder, possible joint effusion on radiography, next imaging study 3195112
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, ankle, radiography normal, next imaging study 3195098
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, foot, radiography normal, next imaging study 3195100
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration foot

Varies
Varies 		Usually appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan foot

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan foot
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, wrist, radiography normal, next imaging study 3195105
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, elbow, possible joint effusion on radiography, next imaging study 3195107
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, hand, possible joint effusion on radiography, next imaging study 3195109
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, hip, radiography normal, next imaging study 3195102
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hip

Varies
Varies 		Usually appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hip

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan hip
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, shoulder, radiography normal, next imaging study 3195104
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration shoulder

Varies
Varies 		Usually appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan shoulder

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
3-phase bone scan shoulder
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Septic arthritis suspected, hand, radiography normal, next imaging study 3195101
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration hand

Varies
Varies 		Usually appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan hand

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT hand with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan hand
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, ankle, possible joint effusion on radiography, next imaging study 3195106
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration ankle

Varies
Varies 		Usually appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan ankle

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan ankle
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, elbow, radiography normal, next imaging study 3195099
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration elbow

Varies
Varies 		Usually appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan elbow

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
3-phase bone scan elbow
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, knee, possible joint effusion on radiography, next imaging study 3195111
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration knee

Varies
Varies 		Usually appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan knee

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Septic arthritis suspected, wrist, possible joint effusion on radiography, next imaging study 3195113
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Image-guided aspiration wrist

Varies
Varies 		Usually appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI upper extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Bone scan whole body and 3-phase bone scan wrist

3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT wrist with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
3-phase bone scan wrist
1-10 mSv
☢☢☢
Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
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