- B50L Renal Veins, Bilateral
- B50L0 High Osmolar
- B50L0Z None
- B50L0ZZ Plain Radiography of Bilateral Renal Veins using High Osmolar Contrast
- B50L0Z None
- B50L1 Low Osmolar
- B50L1Z None
- B50L1ZZ Plain Radiography of Bilateral Renal Veins using Low Osmolar Contrast
- B50L1Z None
- B50LY Other Contrast
- B50LYZ None
- B50LYZZ Plain Radiography of Bilateral Renal Veins using Other Contrast
- B50LYZ None
- B50L0 High Osmolar