| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0N | Head and Facial Bones | 
					
				| 0NR | Replacement
					Head and Facial Bones, Replacement | 
					
				| 0NR0 | Skull | 
					
				| 0NR00 | Open | 
					
				| 0NR007 | Autologous Tissue Substitute | 
					
				| 0NR007Z | No Qualifier
					Replacement of Skull with Autologous Tissue Substitute, Open Approach | 
					
				| 0NR00J | Synthetic Substitute | 
					
				| 0NR00JZ | No Qualifier
					Replacement of Skull with Synthetic Substitute, Open Approach | 
					
				| 0NR00K | Nonautologous Tissue Substitute | 
					
				| 0NR00KZ | No Qualifier
					Replacement of Skull with Nonautologous Tissue Substitute, Open Approach | 
					
				| 0NR03 | Percutaneous | 
					
				| 0NR037 | Autologous Tissue Substitute | 
					
				| 0NR037Z | No Qualifier
					Replacement of Skull with Autologous Tissue Substitute, Percutaneous Approach | 
					
				| 0NR03J | Synthetic Substitute | 
					
				| 0NR03JZ | No Qualifier
					Replacement of Skull with Synthetic Substitute, Percutaneous Approach | 
					
				| 0NR03K | Nonautologous Tissue Substitute | 
					
				| 0NR03KZ | No Qualifier
					Replacement of Skull with Nonautologous Tissue Substitute, Percutaneous Approach | 
					
				| 0NR04 | Percutaneous Endoscopic | 
					
				| 0NR047 | Autologous Tissue Substitute | 
					
				| 0NR047Z | No Qualifier
					Replacement of Skull with Autologous Tissue Substitute, Percutaneous Endoscopic Approach | 
					
				| 0NR04J | Synthetic Substitute | 
					
				| 0NR04JZ | No Qualifier
					Replacement of Skull with Synthetic Substitute, Percutaneous Endoscopic Approach | 
					
				| 0NR04K | Nonautologous Tissue Substitute | 
					
				| 0NR04KZ | No Qualifier
					Replacement of Skull with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach |