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Home Acutely Limping Child Up To Age 5
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Ped <=5yo, acute limp, non localized, infection suspected 3148180
MRI lower extremity without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower extremity without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US hips
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
3-phase bone scan pelvis and lower extremity

3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
MRI whole body without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI whole body without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
US lower extremity
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography femur
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography foot
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography tibia and fibula
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography pelvis
0.1-1mSv
☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Radiography lumbar spine
1-10 mSv
☢☢☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT lower extremity with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT lower extremity without and with IV contrast
1-10 mSv
☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		Usually not appropriate
CT lower extremity without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate