Home Hydronephrosis on Prior Imaging-Unknown Cause
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Hydronephrosis, unknown cause, unilateral, asymptomatic, initial imaging 3197006
MRU without and with IV contrast
0 mSv
O
0 mSv [ped]
O
Usually appropriate
MAG3 renal scan
1-10 mSv
☢☢☢
0.3-3 mSv [ped]
☢☢☢
Usually appropriate
CTU without and with IV contrast
10-30 mSv
☢☢☢☢
10-30 mSv [ped]
☢☢☢☢☢
Usually appropriate
US color Doppler kidneys and bladder retroperitoneal
0 mSv
O
0 mSv [ped]
O
May be appropriate
MRU without IV contrast
0 mSv
O
0 mSv [ped]
O
May be appropriate
CT abdomen and pelvis with IV contrast
1-10 mSv
☢☢☢
3-10 mSv [ped]
☢☢☢☢
May be appropriate
(Disagreement)
CT abdomen and pelvis without IV contrast
1-10 mSv
☢☢☢
3-10 mSv [ped]
☢☢☢☢
May be appropriate
DTPA renal scan
1-10 mSv
☢☢☢
0.3-3 mSv [ped]
☢☢☢
May be appropriate
(Disagreement)
US abdomen
0 mSv
O
0 mSv [ped]
O
Usually not appropriate
Fluoroscopy voiding cystourethrography
0.1-1mSv
☢☢
0.03-0.3 mSv [ped]
☢☢
Usually not appropriate
Fluoroscopy antegrade pyelography
1-10 mSv
☢☢☢

Usually not appropriate
Radiography abdomen and pelvis
1-10 mSv
☢☢☢
0.3-3 mSv [ped]
☢☢☢
Usually not appropriate
Radiography intravenous urography
1-10 mSv
☢☢☢
0.3-3 mSv [ped]
☢☢☢
Usually not appropriate
MRI abdomen and pelvis without and with IV contrast
0 mSv
O
0 mSv [ped]
O
Usually not appropriate
MRI abdomen and pelvis without IV contrast
0 mSv
O
0 mSv [ped]
O
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 and pelvis without and with IV contrast
10-30 mSv
☢☢☢☢
10-30 mSv [ped]
☢☢☢☢☢
Usually not appropriate
CT abdomen without and with IV contrast
10-30 mSv
☢☢☢☢
10-30 mSv [ped]
☢☢☢☢☢
Usually not appropriate