| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 00 | Central Nervous System and Cranial Nerves | 
					
				| 001 | Bypass
					Central Nervous System and Cranial Nerves, Bypass | 
					
				| 002 | Change
					Central Nervous System and Cranial Nerves, Change | 
					
				| 005 | Destruction
					Central Nervous System and Cranial Nerves, Destruction | 
					
				| 007 | Dilation
					Central Nervous System and Cranial Nerves, Dilation | 
					
				| 008 | Division
					Central Nervous System and Cranial Nerves, Division | 
					
				| 009 | Drainage
					Central Nervous System and Cranial Nerves, Drainage | 
					
				| 00B | Excision
					Central Nervous System and Cranial Nerves, Excision | 
					
				| 00C | Extirpation
					Central Nervous System and Cranial Nerves, Extirpation | 
					
				| 00D | Extraction
					Central Nervous System and Cranial Nerves, Extraction | 
					
				| 00F | Fragmentation
					Central Nervous System and Cranial Nerves, Fragmentation | 
					
				| 00H | Insertion
					Central Nervous System and Cranial Nerves, Insertion | 
					
				| 00J | Inspection
					Central Nervous System and Cranial Nerves, Inspection | 
					
				| 00K | Map
					Central Nervous System and Cranial Nerves, Map | 
					
				| 00N | Release
					Central Nervous System and Cranial Nerves, Release | 
					
				| 00P | Removal
					Central Nervous System and Cranial Nerves, Removal | 
					
				| 00Q | Repair
					Central Nervous System and Cranial Nerves, Repair | 
					
				| 00R | Replacement
					Central Nervous System and Cranial Nerves, Replacement | 
					
				| 00S | Reposition
					Central Nervous System and Cranial Nerves, Reposition | 
					
				| 00T | Resection
					Central Nervous System and Cranial Nerves, Resection | 
					
				| 00U | Supplement
					Central Nervous System and Cranial Nerves, Supplement | 
					
				| 00W | Revision
					Central Nervous System and Cranial Nerves, Revision | 
					
				| 00X | Transfer
					Central Nervous System and Cranial Nerves, Transfer |