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Home Stress (Fatigue/Insufficiency) Fracture, Including Sacrum, Excluding Other Vertebrae
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Stress fracture suspected, shoulder, initial imaging 3197222
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
Bone scan with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI shoulder 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
Stress fracture suspected, tibia and fibula, initial imaging 3197224
Radiography tibia and fibula
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI lower leg 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
Stress fracture suspected, radius and ulna, initial imaging 3197229
Radiography radius and ulna
<0.1 mSv
☢
Usually appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI forearm 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
Stress fracture suspected, ankle, initial imaging 3197234
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
Bone scan with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle 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
Stress fracture suspected, pelvis, initial imaging 3197233
Radiography pelvis
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, humerus, initial imaging 3197226
Radiography humerus
<0.1 mSv
☢
Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI upper arm 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
Stress fracture suspected, femur, initial imaging 3197231
Radiography femur
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI thigh 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
Stress fracture suspected, foot, initial imaging 3197230
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
Bone scan with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI foot 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
Stress fracture suspected, sacrum, initial imaging 3197235
Radiography pelvis
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography sacrum
0.1-1mSv
☢☢
Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, wrist, initial imaging 3197221
Radiography wrist
<0.1 mSv
☢
Usually appropriate
Bone scan with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI wrist 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
Stress fracture suspected, ribs, initial imaging 3197223
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, hand, initial imaging 3197228
Radiography hand
<0.1 mSv
☢
Usually appropriate
Bone scan with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hand 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
Stress fracture suspected, hip, initial imaging 3197227
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
Bone scan with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hip 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
Stress fracture suspected, elbow, initial imaging 3197232
Radiography elbow
<0.1 mSv
☢
Usually appropriate
Bone scan with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI elbow 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
Stress fracture suspected, knee, initial imaging 3197225
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
Bone scan with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee 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
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Stress fracture suspected, foot, radiography indeterminate, next imaging study 3197260
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, ribs, radiography negative, next imaging study 3197248
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, elbow, radiography indeterminate, next imaging study 3197262
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, ribs, radiography indeterminate, next imaging study 3197253
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, radius and ulna, radiography negative, next imaging study 3197241
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, knee, radiography indeterminate, next imaging study 3197255
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, femur, radiography negative, next imaging study 3197243
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, hand, radiography negative, next imaging study 3197240
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, hip, radiography indeterminate, next imaging study 3197257
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, radius and ulna, radiography indeterminate, next imaging study 3197259
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, ankle, radiography negative, next imaging study 3197245
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, pelvis, radiography indeterminate, next imaging study 3197264
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, knee, radiography negative, next imaging study 3197250
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, humerus, radiography negative, next imaging study 3197238
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, shoulder, radiography indeterminate, next imaging study 3197252
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, tibia and fibula, radiography indeterminate, next imaging study 3197254
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, pelvis, radiography negative, next imaging study 3197237
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, foot, radiography negative, next imaging study 3197242
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, humerus, radiography indeterminate, next imaging study 3197256
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, shoulder, radiography negative, next imaging study 3197247
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, femur, radiography indeterminate, next imaging study 3197261
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, tibia and fibula, radiography negative, next imaging study 3197249
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, sacrum, radiography negative, next imaging study 3197266
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, sacrum, radiography indeterminate, next imaging study 3197265
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, wrist, radiography indeterminate, next imaging study 3197251
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, hip, radiography negative, next imaging study 3197239
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, elbow, radiography negative, next imaging study 3197244
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, hand, radiography indeterminate, next imaging study 3197258
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, ankle, radiography indeterminate, next imaging study 3197263
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, wrist, radiography negative, next imaging study 3197246
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI wrist without and with 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
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Sacrum stress fracture suspected, pregnant, radiography negative, next imaging study. 3197271
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Pelvis stress fracture suspected, pregnant, radiography negative, next imaging study. 3197269
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Pelvis stress fracture suspected, pregnant, radiography indeterminate, next imaging study. 3197268
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Hip stress fracture suspected, pregnant, radiography negative, next imaging study. 3197273
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT hip
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
Sacrum stress fracture suspected, pregnant, radiography indeterminate, next imaging study. 3197270
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Hip stress fracture suspected, pregnant, radiography indeterminate, next imaging study. 3197272
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan whole body with SPECT or SPECT/CT hip
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
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Stress fracture suspected, foot, immediate need-to-know, radiography indeterminate, next imaging study 3197299
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, hand, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197316
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, wrist, fracture completion risk, radiography negative, next imaging study 3197356
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, knee, immediate need-to-know, radiography negative, next imaging study 3197330
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, ribs, fracture completion risk, radiography negative, next imaging study 3197344
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, foot, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197304
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, elbow, immediate need-to-know, radiography indeterminate, next imaging study 3197287
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, sacrum, fracture completion risk, radiography indeterminate, next imaging study 3197361
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, pelvis, fracture completion risk, radiography negative, next imaging study 3197278
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, hip, immediate need-to-know, radiography negative, next imaging study 3197318
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, tibia and fibula, immediate need-to-know, radiography indeterminate, next imaging study 3197335
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, shoulder, fracture completion risk, radiography indeterminate, next imaging study 3197349
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, elbow, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197292
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, radius and ulna, immediate need-to-know, radiography negative, next imaging study 3197306
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, sacrum, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197363
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, humerus, immediate need-to-know, radiography indeterminate, next imaging study 3197323
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, tibia and fibula, fracture completion risk, radiography indeterminate, next imaging study 3197337
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, pelvis, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197280
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, wrist, immediate need-to-know, radiography negative, next imaging study 3197354
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, femur, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197297
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, hand, immediate need-to-know, radiography indeterminate, next imaging study 3197311
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, ribs, immediate need-to-know, radiography negative, next imaging study 3197342
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, humerus, fracture completion risk, radiography indeterminate, next imaging study 3197325
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, ankle, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197285
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, tibia and fibula, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197339
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, ankle, immediate need-to-know, radiography negative, next imaging study 3197282
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, femur, fracture completion risk, radiography negative, next imaging study 3197296
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, wrist, immediate need-to-know, radiography indeterminate, next imaging study 3197353
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, hand, fracture completion risk, radiography indeterminate, next imaging study 3197313
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, humerus, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197327
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, ankle, fracture completion risk, radiography negative, next imaging study 3197284
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, foot, fracture completion risk, radiography indeterminate, next imaging study 3197301
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, ribs, immediate need-to-know, radiography indeterminate, next imaging study 3197341
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, wrist, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197358
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, knee, fracture completion risk, radiography negative, next imaging study 3197332
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, hand, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197315
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, pelvis, immediate need-to-know, radiography indeterminate, next imaging study 3197275
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, elbow, fracture completion risk, radiography indeterminate, next imaging study 3197289
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, ribs, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197346
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, sacrum, immediate need-to-know, radiography negative, next imaging study 3197360
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, foot, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197303
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, hip, fracture completion risk, radiography negative, next imaging study 3197320
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, knee, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197334
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, femur, immediate need-to-know, radiography negative, next imaging study 3197294
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, pelvis, fracture completion risk, radiography indeterminate, next imaging study 3197277
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, shoulder, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197351
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, radius and ulna, fracture completion risk, radiography negative, next imaging study 3197308
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, hip, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197322
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, hip, fracture completion risk, radiography indeterminate, next imaging study 3197319
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, pelvis, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197279
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, tibia and fibula, immediate need-to-know, radiography negative, next imaging study 3197336
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, shoulder, fracture completion risk, radiography negative, next imaging study 3197350
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, femur, immediate need-to-know, radiography indeterminate, next imaging study 3197293
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, radius and ulna, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197310
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, humerus, immediate need-to-know, radiography negative, next imaging study 3197324
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, wrist, fracture completion risk, radiography indeterminate, next imaging study 3197355
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, tibia and fibula, fracture completion risk, radiography negative, next imaging study 3197338
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, femur, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197298
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, hand, immediate need-to-know, radiography negative, next imaging study 3197312
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, knee, immediate need-to-know, radiography indeterminate, next imaging study 3197329
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, ankle, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197286
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, ribs, fracture completion risk, radiography indeterminate, next imaging study 3197343
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, wrist, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197357
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Stress fracture suspected, hip, immediate need-to-know, radiography indeterminate, next imaging study 3197317
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, foot, immediate need-to-know, radiography negative, next imaging study 3197300
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Stress fracture suspected, elbow, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197291
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, knee, fracture completion risk, radiography indeterminate, next imaging study 3197331
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, shoulder, immediate need-to-know, radiography negative, next imaging study 3197348
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, sacrum, fracture completion risk, radiography negative, next imaging study 3197362
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, radius and ulna, immediate need-to-know, radiography indeterminate, next imaging study 3197305
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, sacrum, immediate need-to-know, radiography indeterminate, next imaging study 3197359
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, pelvis, immediate need-to-know, radiography negative, next imaging study 3197276
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, knee, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197333
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Stress fracture suspected, shoulder, immediate need-to-know, radiography indeterminate, next imaging study 3197347
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, radius and ulna, fracture completion risk, radiography indeterminate, next imaging study 3197307
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, elbow, fracture completion risk, radiography negative, next imaging study 3197290
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, sacrum, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197364
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT sacrum
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Stress fracture suspected, ankle, immediate need-to-know, radiography indeterminate, next imaging study 3197281
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, hip, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197321
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Stress fracture suspected, shoulder, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197352
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Stress fracture suspected, femur, fracture completion risk, radiography indeterminate, next imaging study 3197295
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Stress fracture suspected, radius and ulna, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197309
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Stress fracture suspected, humerus, fracture completion risk, radiography negative, next imaging study 3197326
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, tibia and fibula, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197340
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Stress fracture suspected, ankle, fracture completion risk, radiography indeterminate, next imaging study 3197283
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Stress fracture suspected, hand, fracture completion risk, radiography negative, next imaging study 3197314
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Stress fracture suspected, ribs, osteoporosis or bisphosphonate therapy, radiography indeterminate, next imaging study 3197345
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT ribs
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Stress fracture suspected, humerus, osteoporosis or bisphosphonate therapy, radiography negative, next imaging study 3197328
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Stress fracture suspected, elbow, immediate need-to-know, radiography negative, next imaging study 3197288
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Stress fracture suspected, foot, fracture completion risk, radiography negative, next imaging study 3197302
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Subchondral stress fracture suspected, elbow, radiography indeterminate, next imaging study 3197370
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Subchondral stress fracture suspected, knee, radiography indeterminate, next imaging study 3197384
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Subchondral stress fracture suspected, femur, radiography indeterminate, next imaging study 3197372
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Subchondral stress fracture suspected, shoulder, radiography negative, next imaging study 3197389
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Subchondral stress fracture suspected, radius and ulna, radiography negative, next imaging study 3197377
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Subchondral stress fracture suspected, wrist, radiography negative, next imaging study 3197391
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Subchondral stress fracture suspected, hand, radiography negative, next imaging study 3197379
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Subchondral stress fracture suspected, pelvis, radiography negative, next imaging study 3197367
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Subchondral stress fracture suspected, hip, radiography negative, next imaging study 3197381
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Subchondral stress fracture suspected, ankle, radiography negative, next imaging study 3197369
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Subchondral stress fracture suspected, tibia and fibula, radiography indeterminate, next imaging study 3197386
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Subchondral stress fracture suspected, foot, radiography indeterminate, next imaging study 3197374
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Subchondral stress fracture suspected, shoulder, radiography indeterminate, next imaging study 3197388
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT shoulder
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI shoulder without and with 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
Subchondral stress fracture suspected, wrist, radiography indeterminate, next imaging study 3197390
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT wrist
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI wrist without and with 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
Subchondral stress fracture suspected, hand, radiography indeterminate, next imaging study 3197378
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT hand
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI hand without and with 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
Subchondral stress fracture suspected, pelvis, radiography indeterminate, next imaging study 3197366
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT pelvis
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Subchondral stress fracture suspected, humerus, radiography negative, next imaging study 3197383
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Subchondral stress fracture suspected, elbow, radiography negative, next imaging study 3197371
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT elbow
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI elbow without and with 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
Subchondral stress fracture suspected, knee, radiography negative, next imaging study 3197385
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT knee
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI knee without and with 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
Subchondral stress fracture suspected, radius and ulna, radiography indeterminate, next imaging study 3197376
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT radius and ulna
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI forearm without and with 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
Subchondral stress fracture suspected, tibia and fibula, radiography negative, next imaging study 3197387
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT tibia and fibula
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI lower leg without and with 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
Subchondral stress fracture suspected, foot, radiography negative, next imaging study 3197375
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT foot
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI foot without and with 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
Subchondral stress fracture suspected, hip, radiography indeterminate, next imaging study 3197380
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT hip
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
Usually not appropriate
MRI hip without and with 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
Subchondral stress fracture suspected, ankle, radiography indeterminate, next imaging study 3197368
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Bone scan whole body with SPECT or SPECT/CT ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with 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
Subchondral stress fracture suspected, humerus, radiography indeterminate, next imaging study 3197382
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Bone scan whole body with SPECT or SPECT/CT humerus
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
Usually not appropriate
MRI upper arm without and with 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
Subchondral stress fracture suspected, femur, radiography negative, next imaging study 3197373
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
Bone scan whole body with SPECT or SPECT/CT femur
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Shoulder stress fracture on radiography, next imaging study, associated complication 3197398
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI shoulder without and with 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
Radius and ulna stress fracture on radiography, next imaging study, associated complication 3197412
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI forearm without and with 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
Ribs stress fracture on radiography, next imaging study, associated complication 3197400
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Elbow stress fracture on radiography, next imaging study, determining extent 3197417
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI elbow without and with 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
Humerus stress fracture on radiography, next imaging study, determining extent 3197405
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI upper arm without and with 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
Ankle stress fracture on radiography, next imaging study, determining extent 3197419
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle without and with 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
Pelvis stress fracture on radiography, next imaging study, determining extent 3197393
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Hip stress fracture on radiography, next imaging study, determining extent 3197407
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hip without and with 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
Sacrum stress fracture on radiography, next imaging study, determining extent 3197421
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Wrist stress fracture on radiography, next imaging study, determining extent 3197395
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI wrist without and with 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
Hand stress fracture on radiography, next imaging study, determining extent 3197409
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hand without and with 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
Shoulder stress fracture on radiography, next imaging study, determining extent 3197397
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography shoulder repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI shoulder without and with 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
Foot stress fracture on radiography, next imaging study, associated complication 3197414
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI foot without and with 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
Tibia and fibula stress fracture on radiography, next imaging study, associated complication 3197402
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI lower leg without and with 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
Femur stress fracture on radiography, next imaging study, associated complication 3197416
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Knee stress fracture on radiography, next imaging study, associated complication 3197404
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee without and with 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
Elbow stress fracture on radiography, next imaging study, associated complication 3197418
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography elbow repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI elbow without and with 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
Humerus stress fracture on radiography, next imaging study, associated complication 3197406
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography humerus repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI upper arm without and with 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
Ankle stress fracture on radiography, next imaging study, associated complication 3197420
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography ankle repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle without and with 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
Pelvis stress fracture on radiography, next imaging study, associated complication 3197394
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Radius and ulna stress fracture on radiography, next imaging study, determining extent 3197411
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography radius and ulna repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI forearm without and with 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
Ribs stress fracture on radiography, next imaging study, determining extent 3197399
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
Radiography ribs repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT chest with IV contrast (including upper abdomen)
10-30 mSv
☢☢☢☢
Usually not appropriate
Foot stress fracture on radiography, next imaging study, determining extent 3197413
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography foot repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI foot without and with 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
Tibia and fibula stress fracture on radiography, next imaging study, determining extent 3197401
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography tibia and fibula repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI lower leg without and with 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
Femur stress fracture on radiography, next imaging study, determining extent 3197415
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually appropriate
Radiography femur repeat in 10-14 days
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI thigh without and with 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 and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
Knee stress fracture on radiography, next imaging study, determining extent 3197403
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
Radiography knee repeat in 10-14 days
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee without and with 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
Hip stress fracture on radiography, next imaging study, associated complication 3197408
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography hip repeat in 10-14 days
1-10 mSv
☢☢☢
May be appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hip without and with 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
Sacrum stress fracture on radiography, next imaging study, associated complication 3197422
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacrum without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
CT sacrum without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
Radiography pelvis repeat in 10-14 days
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
Radiography sacrum repeat in 10-14 days
0.1-1mSv
☢☢
May be appropriate
US sacrum
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI sacrum without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacrum without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Wrist stress fracture on radiography, next imaging study, associated complication 3197396
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually appropriate
Radiography wrist repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI wrist without and with 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
Hand stress fracture on radiography, next imaging study, associated complication 3197410
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually appropriate
Radiography hand repeat in 10-14 days
<0.1 mSv
☢
May be appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI hand without and with 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
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