| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 01 | Peripheral Nervous System | 
					
				| 01B | Excision
					Peripheral Nervous System, Excision | 
					
				| 01BK | Head and Neck Sympathetic Nerve | 
					
				| 01BK0 | Open | 
					
				| 01BK0Z | No Device | 
					
				| 01BK0ZX | Diagnostic
					Excision of Head and Neck Sympathetic Nerve, Open Approach, Diagnostic | 
					
				| 01BK0ZZ | No Qualifier
					Excision of Head and Neck Sympathetic Nerve, Open Approach | 
					
				| 01BK3 | Percutaneous | 
					
				| 01BK3Z | No Device | 
					
				| 01BK3ZX | Diagnostic
					Excision of Head and Neck Sympathetic Nerve, Percutaneous Approach, Diagnostic | 
					
				| 01BK3ZZ | No Qualifier
					Excision of Head and Neck Sympathetic Nerve, Percutaneous Approach | 
					
				| 01BK4 | Percutaneous Endoscopic | 
					
				| 01BK4Z | No Device | 
					
				| 01BK4ZX | Diagnostic
					Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic | 
					
				| 01BK4ZZ | No Qualifier
					Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach |