- B50N Upper Extremity Veins, Left
- B50N0 High Osmolar
- B50N0Z None
- B50N0ZZ Plain Radiography of Left Upper Extremity Veins using High Osmolar Contrast
- B50N0Z None
- B50N1 Low Osmolar
- B50N1Z None
- B50N1ZZ Plain Radiography of Left Upper Extremity Veins using Low Osmolar Contrast
- B50N1Z None
- B50NY Other Contrast
- B50NYZ None
- B50NYZZ Plain Radiography of Left Upper Extremity Veins using Other Contrast
- B50NYZ None
- B50N0 High Osmolar