| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0N | Head and Facial Bones | 
					
				| 0N9 | Drainage
					Head and Facial Bones, Drainage | 
					
				| 0N9F | Ethmoid Bone, Right | 
					
				| 0N9F0 | Open | 
					
				| 0N9F00 | Drainage Device | 
					
				| 0N9F00Z | No Qualifier
					Drainage of Right Ethmoid Bone with Drainage Device, Open Approach | 
					
				| 0N9F0Z | No Device | 
					
				| 0N9F0ZX | Diagnostic
					Drainage of Right Ethmoid Bone, Open Approach, Diagnostic | 
					
				| 0N9F0ZZ | No Qualifier
					Drainage of Right Ethmoid Bone, Open Approach | 
					
				| 0N9F3 | Percutaneous | 
					
				| 0N9F30 | Drainage Device | 
					
				| 0N9F30Z | No Qualifier
					Drainage of Right Ethmoid Bone with Drainage Device, Percutaneous Approach | 
					
				| 0N9F3Z | No Device | 
					
				| 0N9F3ZX | Diagnostic
					Drainage of Right Ethmoid Bone, Percutaneous Approach, Diagnostic | 
					
				| 0N9F3ZZ | No Qualifier
					Drainage of Right Ethmoid Bone, Percutaneous Approach | 
					
				| 0N9F4 | Percutaneous Endoscopic | 
					
				| 0N9F40 | Drainage Device | 
					
				| 0N9F40Z | No Qualifier
					Drainage of Right Ethmoid Bone with Drainage Device, Percutaneous Endoscopic Approach | 
					
				| 0N9F4Z | No Device | 
					
				| 0N9F4ZX | Diagnostic
					Drainage of Right Ethmoid Bone, Percutaneous Endoscopic Approach, Diagnostic | 
					
				| 0N9F4ZZ | No Qualifier
					Drainage of Right Ethmoid Bone, Percutaneous Endoscopic Approach |