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Home Soft Tissue Masses
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Soft tissue mass, elbow, superficial, initial imaging 3196225
US elbow
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography elbow
<0.1 mSv
☢
Usually appropriate
US elbow with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy elbow

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration elbow

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, forearm, superficial, initial imaging 3196223
US forearm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography radius and ulna
<0.1 mSv
☢
Usually appropriate
US forearm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy forearm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration forearm

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, wrist, superficial, initial imaging 3196218
US wrist
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography wrist
<0.1 mSv
☢
Usually appropriate
US wrist with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy wrist

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration wrist

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, shoulder, superficial, initial imaging 3196232
US shoulder
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
US shoulder with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy shoulder

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration shoulder

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, chest, superficial, initial imaging 3196230
US chest
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US chest with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy chest

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration chest

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hand, superficial, initial imaging 3196222
US hand
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hand
<0.1 mSv
☢
Usually appropriate
US hand with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hand

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hand

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, lower leg, superficial, initial imaging 3196220
US lower leg
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography tibia and fibula
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US lower leg with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy lower leg

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration leg

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, ankle, superficial, initial imaging 3196227
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US ankle with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy ankle

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration ankle

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, abdomen, superficial, initial imaging 3196231
US abdomen
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography abdomen
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US abdomen with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy abdomen

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration abdomen

Varies
Varies 		Usually not appropriate
MRI abdomen without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI abdomen without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT abdomen with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT abdomen without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT abdomen without and with IV contrast
10-30 mSv
☢☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, thigh, superficial, initial imaging 3196219
US thigh
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography femur
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US thigh with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy thigh

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration thigh

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, neck, superficial, initial imaging 3196229
US neck
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography neck
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy neck

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration neck

Varies
Varies 		Usually not appropriate
MRI neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, foot, superficial, initial imaging 3196224
US foot
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US foot with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy foot

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration foot

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, pelvis, superficial, initial imaging 3196228
US pelvis
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography pelvis
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US pelvis with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy pelvis

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration pelvis

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, upper arm, superficial, initial imaging 3196226
US upper arm
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography humerus
<0.1 mSv
☢
Usually appropriate
US upper arm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy upper arm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration arm

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, knee, superficial, initial imaging 3196221
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US knee with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy knee

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration knee

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hip, superficial, initial imaging 3196233
US hip
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
US hip with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hip

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hip

Varies
Varies 		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
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Soft tissue mass, elbow, nonsuperficial, initial imaging 3196241
Radiography elbow
<0.1 mSv
☢
Usually appropriate
US elbow
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
May be appropriate
US elbow with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy elbow

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration elbow

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, wrist, nonsuperficial, initial imaging 3196248
Radiography wrist
<0.1 mSv
☢
Usually appropriate
US wrist
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT wrist with IV contrast
<0.1 mSv
☢
May be appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
May be appropriate
CT wrist without IV contrast
<0.1 mSv
☢
May be appropriate
US wrist with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy wrist

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration wrist

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, chest, nonsuperficial, initial imaging 3196236
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US chest
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without and with IV contrast
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 with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy chest

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration chest

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hip, nonsuperficial, initial imaging 3196250
Radiography hip
1-10 mSv
☢☢☢
Usually appropriate
US hip
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hip

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hip

Varies
Varies 		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
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, pelvis, nonsuperficial, initial imaging 3196238
Radiography pelvis
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US pelvis
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT pelvis with IV contrast
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 pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy pelvis

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration pelvis

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, forearm, nonsuperficial, initial imaging 3196243
Radiography radius and ulna
<0.1 mSv
☢
Usually appropriate
US forearm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
May be appropriate
US forearm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy forearm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration forearm

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, knee, nonsuperficial, initial imaging 3196245
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US knee with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy knee

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration knee

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, thigh, nonsuperficial, initial imaging 3196247
Radiography femur
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US thigh
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
May be appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US thigh with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy thigh

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration thigh

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, abdomen, nonsuperficial, initial imaging 3196235
Radiography abdomen
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US abdomen
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT abdomen with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT abdomen without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT abdomen without and with IV contrast
10-30 mSv
☢☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		May be appropriate
US abdomen with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy abdomen

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration abdomen

Varies
Varies 		Usually not appropriate
MRI abdomen without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI abdomen without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, shoulder, nonsuperficial, initial imaging 3196249
Radiography shoulder
<0.1 mSv
☢
Usually appropriate
US shoulder
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy shoulder

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration shoulder

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, upper arm, nonsuperficial, initial imaging 3196240
Radiography humerus
<0.1 mSv
☢
Usually appropriate
US upper arm
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy upper arm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration arm

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, foot, nonsuperficial, initial imaging 3196242
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US foot
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US foot with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy foot

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration foot

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hand, nonsuperficial, initial imaging 3196244
Radiography hand
<0.1 mSv
☢
Usually appropriate
US hand
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hand with IV contrast
<0.1 mSv
☢
May be appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
May be appropriate
CT hand without IV contrast
<0.1 mSv
☢
May be appropriate
US hand with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hand

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hand

Varies
Varies 		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
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, lower leg, nonsuperficial, initial imaging 3196246
Radiography tibia and fibula
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US lower leg
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
May be appropriate
US lower leg with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy lower leg

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration leg

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, neck, nonsuperficial, initial imaging 3196237
Radiography neck
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
US neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy neck

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration neck

Varies
Varies 		Usually not appropriate
MRI neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, ankle, nonsuperficial, initial imaging 3196239
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US ankle with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy ankle

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration ankle

Varies
Varies 		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
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Soft tissue mass, foot, radiography and noncontrast US nondiagnostic, next imaging study 3196258
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US foot with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy foot

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration foot

Varies
Varies 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, neck, radiography and noncontrast US nondiagnostic, next imaging study 3196253
MRI neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy neck

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration neck

Varies
Varies 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, shoulder, radiography and noncontrast US nondiagnostic, next imaging study 3196265
MRI shoulder without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI shoulder without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT shoulder with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy shoulder

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration shoulder

Varies
Varies 		Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hand, radiography and noncontrast US nondiagnostic, next imaging study 3196260
MRI hand without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hand without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hand with IV contrast
<0.1 mSv
☢
May be appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
May be appropriate
US hand with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hand

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hand

Varies
Varies 		Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, ankle, radiography and noncontrast US nondiagnostic, next imaging study 3196255
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US ankle with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy ankle

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration ankle

Varies
Varies 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, lower leg, radiography and noncontrast US nondiagnostic, next imaging study 3196264
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US lower leg with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy lower leg

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration leg

Varies
Varies 		Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, knee, radiography and noncontrast US nondiagnostic, next imaging study 3196262
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US knee with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy knee

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration knee

Varies
Varies 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, elbow, radiography and noncontrast US nondiagnostic, next imaging study 3196257
MRI elbow without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI elbow without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT elbow with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US elbow with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy elbow

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration elbow

Varies
Varies 		Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, wrist, radiography and noncontrast US nondiagnostic, next imaging study 3196261
MRI wrist without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI wrist without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT wrist with IV contrast
<0.1 mSv
☢
May be appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
May be appropriate
US wrist with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy wrist

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration wrist

Varies
Varies 		Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, chest, radiography and noncontrast US nondiagnostic, next imaging study 3196252
MRI chest without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI chest without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy chest

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration chest

Varies
Varies 		Usually not appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, forearm, radiography and noncontrast US nondiagnostic, next imaging study 3196259
MRI forearm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI forearm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT forearm with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US forearm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy forearm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration forearm

Varies
Varies 		Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hip, radiography and noncontrast US nondiagnostic, next imaging study 3196266
MRI hip without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI hip without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT hip with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hip

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hip

Varies
Varies 		Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, pelvis, radiography and noncontrast US nondiagnostic, next imaging study 3196254
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy pelvis

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration pelvis

Varies
Varies 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, upper arm, radiography and noncontrast US nondiagnostic, next imaging study 3196256
MRI upper arm without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI upper arm without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT upper arm with IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy upper arm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration arm

Varies
Varies 		Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, abdomen, radiography and noncontrast US nondiagnostic, next imaging study 3196251
MRI abdomen without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI abdomen without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT abdomen with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT abdomen without and with IV contrast
10-30 mSv
☢☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		May be appropriate
US abdomen with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy abdomen

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration abdomen

Varies
Varies 		Usually not appropriate
CT abdomen without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, thigh, radiography and noncontrast US nondiagnostic, next imaging study 3196263
MRI thigh without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI thigh without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT thigh with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US thigh with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy thigh

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration thigh

Varies
Varies 		Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Soft tissue mass, hand, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196276
CT hand with IV contrast
<0.1 mSv
☢
Usually appropriate
CT hand without and with IV contrast
<0.1 mSv
☢
May be appropriate
US hand with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hand

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hand

Varies
Varies 		Usually not appropriate
CT hand without IV contrast
<0.1 mSv
☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, foot, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196274
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US foot with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy foot

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration foot

Varies
Varies 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, neck, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196269
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy neck

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration neck

Varies
Varies 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, shoulder, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196281
CT shoulder with IV contrast
1-10 mSv
☢☢☢
Usually appropriate
CT shoulder without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US shoulder with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy shoulder

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration shoulder

Varies
Varies 		Usually not appropriate
CT shoulder without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, elbow, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196273
CT elbow with IV contrast
0.1-1mSv
☢☢
Usually appropriate
CT elbow without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US elbow with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy elbow

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration elbow

Varies
Varies 		Usually not appropriate
CT elbow without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, ankle, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196271
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US ankle with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy ankle

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration ankle

Varies
Varies 		Usually not appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, wrist, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196280
CT wrist with IV contrast
<0.1 mSv
☢
Usually appropriate
CT wrist without and with IV contrast
<0.1 mSv
☢
May be appropriate
US wrist with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy wrist

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration wrist

Varies
Varies 		Usually not appropriate
CT wrist without IV contrast
<0.1 mSv
☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, lower leg, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196278
CT lower leg with IV contrast
0.1-1mSv
☢☢
Usually appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US lower leg with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy lower leg

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration leg

Varies
Varies 		Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, hip, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196282
CT hip with IV contrast
1-10 mSv
☢☢☢
Usually appropriate
CT hip without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US hip with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy hip

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration hip

Varies
Varies 		Usually not appropriate
CT hip without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, pelvis, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196270
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US pelvis with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy pelvis

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration pelvis

Varies
Varies 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, chest, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196268
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US chest with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy chest

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration chest

Varies
Varies 		Usually not appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, forearm, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196275
CT forearm with IV contrast
0.1-1mSv
☢☢
Usually appropriate
CT forearm without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US forearm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy forearm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration forearm

Varies
Varies 		Usually not appropriate
CT forearm without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, thigh, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196279
CT thigh with IV contrast
0.1-1mSv
☢☢
Usually appropriate
CT thigh without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US thigh with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy thigh

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration thigh

Varies
Varies 		Usually not appropriate
CT thigh without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, knee, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196277
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US knee with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy knee

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration knee

Varies
Varies 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, upper arm, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196272
CT upper arm with IV contrast
1-10 mSv
☢☢☢
Usually appropriate
CT upper arm without and with IV contrast
1-10 mSv
☢☢☢
May be appropriate
US upper arm with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy upper arm

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration arm

Varies
Varies 		Usually not appropriate
CT upper arm without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Soft tissue mass, abdomen, radiography and noncontrast US nondiagnostic, MRI contraindicated, next imaging study 3196267
CT abdomen with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
CT abdomen without and with IV contrast
10-30 mSv
☢☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		May be appropriate
US abdomen with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy abdomen

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration abdomen

Varies
Varies 		Usually not appropriate
CT abdomen without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
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