ACR logo

ACR AC Portal

Home Chronic Knee Pain
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Knee pain, chronic, initial exam 3148156
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography hip ipsilateral
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Image-guided aspiration knee

Varies
Varies 		Usually not appropriate
MR arthrography 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 arthrography knee
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate