| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 06 | Lower Veins | 
					
				| 06L | Occlusion
					Lower Veins, Occlusion | 
					
				| 06L0 | Inferior Vena Cava | 
					
				| 06L1 | Splenic Vein | 
					
				| 06L2 | Gastric Vein | 
					
				| 06L3 | Esophageal Vein | 
					
				| 06L4 | Hepatic Vein | 
					
				| 06L5 | Superior Mesenteric Vein | 
					
				| 06L6 | Inferior Mesenteric Vein | 
					
				| 06L7 | Colic Vein | 
					
				| 06L8 | Portal Vein | 
					
				| 06L9 | Renal Vein, Right | 
					
				| 06LB | Renal Vein, Left | 
					
				| 06LC | Common Iliac Vein, Right | 
					
				| 06LD | Common Iliac Vein, Left | 
					
				| 06LF | External Iliac Vein, Right | 
					
				| 06LG | External Iliac Vein, Left | 
					
				| 06LH | Hypogastric Vein, Right | 
					
				| 06LJ | Hypogastric Vein, Left | 
					
				| 06LM | Femoral Vein, Right | 
					
				| 06LN | Femoral Vein, Left | 
					
				| 06LP | Saphenous Vein, Right | 
					
				| 06LQ | Saphenous Vein, Left | 
					
				| 06LT | Foot Vein, Right | 
					
				| 06LV | Foot Vein, Left | 
					
				| 06LY | Lower Vein |