| Code | Title | 
					
				| – | Top Categories | 
		
					
				| B | Imaging | 
					
				| B5 | Veins | 
					
				| B50 | Plain Radiography
					Imaging, Veins, Plain Radiography | 
					
				| B500 | Epidural Veins | 
					
				| B501 | Cerebral and Cerebellar Veins | 
					
				| B502 | Intracranial Sinuses | 
					
				| B503 | Jugular Veins, Right | 
					
				| B504 | Jugular Veins, Left | 
					
				| B505 | Jugular Veins, Bilateral | 
					
				| B506 | Subclavian Vein, Right | 
					
				| B507 | Subclavian Vein, Left | 
					
				| B508 | Superior Vena Cava | 
					
				| B509 | Inferior Vena Cava | 
					
				| B50B | Lower Extremity Veins, Right | 
					
				| B50C | Lower Extremity Veins, Left | 
					
				| B50D | Lower Extremity Veins, Bilateral | 
					
				| B50F | Pelvic (Iliac) Veins, Right | 
					
				| B50G | Pelvic (Iliac) Veins, Left | 
					
				| B50H | Pelvic (Iliac) Veins, Bilateral | 
					
				| B50J | Renal Vein, Right | 
					
				| B50K | Renal Vein, Left | 
					
				| B50L | Renal Veins, Bilateral | 
					
				| B50M | Upper Extremity Veins, Right | 
					
				| B50N | Upper Extremity Veins, Left | 
					
				| B50P | Upper Extremity Veins, Bilateral | 
					
				| B50Q | Pulmonary Vein, Right | 
					
				| B50R | Pulmonary Vein, Left | 
					
				| B50S | Pulmonary Veins, Bilateral | 
					
				| B50T | Portal and Splanchnic Veins | 
					
				| B50V | Veins, Other | 
					
				| B50W | Dialysis Shunt/Fistula |