| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0N | Head and Facial Bones | 
					
				| 0NB | Excision
					Head and Facial Bones, Excision | 
					
				| 0NB1 | Frontal Bone | 
					
				| 0NB10 | Open | 
					
				| 0NB10Z | No Device | 
					
				| 0NB10ZX | Diagnostic
					Excision of Frontal Bone, Open Approach, Diagnostic | 
					
				| 0NB10ZZ | No Qualifier
					Excision of Frontal Bone, Open Approach | 
					
				| 0NB13 | Percutaneous | 
					
				| 0NB13Z | No Device | 
					
				| 0NB13ZX | Diagnostic
					Excision of Frontal Bone, Percutaneous Approach, Diagnostic | 
					
				| 0NB13ZZ | No Qualifier
					Excision of Frontal Bone, Percutaneous Approach | 
					
				| 0NB14 | Percutaneous Endoscopic | 
					
				| 0NB14Z | No Device | 
					
				| 0NB14ZX | Diagnostic
					Excision of Frontal Bone, Percutaneous Endoscopic Approach, Diagnostic | 
					
				| 0NB14ZZ | No Qualifier
					Excision of Frontal Bone, Percutaneous Endoscopic Approach |