| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 06 | Lower Veins | 
					
				| 06N | Release
					Lower Veins, Release | 
					
				| 06N0 | Inferior Vena Cava | 
					
				| 06N1 | Splenic Vein | 
					
				| 06N2 | Gastric Vein | 
					
				| 06N3 | Esophageal Vein | 
					
				| 06N4 | Hepatic Vein | 
					
				| 06N5 | Superior Mesenteric Vein | 
					
				| 06N6 | Inferior Mesenteric Vein | 
					
				| 06N7 | Colic Vein | 
					
				| 06N8 | Portal Vein | 
					
				| 06N9 | Renal Vein, Right | 
					
				| 06NB | Renal Vein, Left | 
					
				| 06NC | Common Iliac Vein, Right | 
					
				| 06ND | Common Iliac Vein, Left | 
					
				| 06NF | External Iliac Vein, Right | 
					
				| 06NG | External Iliac Vein, Left | 
					
				| 06NH | Hypogastric Vein, Right | 
					
				| 06NJ | Hypogastric Vein, Left | 
					
				| 06NM | Femoral Vein, Right | 
					
				| 06NN | Femoral Vein, Left | 
					
				| 06NP | Saphenous Vein, Right | 
					
				| 06NQ | Saphenous Vein, Left | 
					
				| 06NT | Foot Vein, Right | 
					
				| 06NV | Foot Vein, Left | 
					
				| 06NY | Lower Vein |