| Code | Title | 
					
				| – | Top Categories | 
		
					
				| B | Imaging | 
					
				| B5 | Veins | 
					
				| B51 | Fluoroscopy
					Imaging, Veins, Fluoroscopy | 
					
				| B510 | Epidural Veins | 
					
				| B511 | Cerebral and Cerebellar Veins | 
					
				| B512 | Intracranial Sinuses | 
					
				| B513 | Jugular Veins, Right | 
					
				| B514 | Jugular Veins, Left | 
					
				| B515 | Jugular Veins, Bilateral | 
					
				| B516 | Subclavian Vein, Right | 
					
				| B517 | Subclavian Vein, Left | 
					
				| B518 | Superior Vena Cava | 
					
				| B519 | Inferior Vena Cava | 
					
				| B51B | Lower Extremity Veins, Right | 
					
				| B51C | Lower Extremity Veins, Left | 
					
				| B51D | Lower Extremity Veins, Bilateral | 
					
				| B51F | Pelvic (Iliac) Veins, Right | 
					
				| B51G | Pelvic (Iliac) Veins, Left | 
					
				| B51H | Pelvic (Iliac) Veins, Bilateral | 
					
				| B51J | Renal Vein, Right | 
					
				| B51K | Renal Vein, Left | 
					
				| B51L | Renal Veins, Bilateral | 
					
				| B51M | Upper Extremity Veins, Right | 
					
				| B51N | Upper Extremity Veins, Left | 
					
				| B51P | Upper Extremity Veins, Bilateral | 
					
				| B51Q | Pulmonary Vein, Right | 
					
				| B51R | Pulmonary Vein, Left | 
					
				| B51S | Pulmonary Veins, Bilateral | 
					
				| B51T | Portal and Splanchnic Veins | 
					
				| B51V | Veins, Other | 
					
				| B51W | Dialysis Shunt/Fistula |