| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0W | Anatomical Regions, General | 
					
				| 0W9 | Drainage
					Anatomical Regions, General, Drainage | 
					
				| 0W93 | Oral Cavity and Throat | 
					
				| 0W930 | Open | 
					
				| 0W9300 | Drainage Device | 
					
				| 0W9300Z | No Qualifier
					Drainage of Oral Cavity and Throat with Drainage Device, Open Approach | 
					
				| 0W930Z | No Device | 
					
				| 0W930ZX | Diagnostic
					Drainage of Oral Cavity and Throat, Open Approach, Diagnostic | 
					
				| 0W930ZZ | No Qualifier
					Drainage of Oral Cavity and Throat, Open Approach | 
					
				| 0W933 | Percutaneous | 
					
				| 0W9330 | Drainage Device | 
					
				| 0W9330Z | No Qualifier
					Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Approach | 
					
				| 0W933Z | No Device | 
					
				| 0W933ZX | Diagnostic
					Drainage of Oral Cavity and Throat, Percutaneous Approach, Diagnostic | 
					
				| 0W933ZZ | No Qualifier
					Drainage of Oral Cavity and Throat, Percutaneous Approach | 
					
				| 0W934 | Percutaneous Endoscopic | 
					
				| 0W9340 | Drainage Device | 
					
				| 0W9340Z | No Qualifier
					Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach | 
					
				| 0W934Z | No Device | 
					
				| 0W934ZX | Diagnostic
					Drainage of Oral Cavity and Throat, Percutaneous Endoscopic Approach, Diagnostic | 
					
				| 0W934ZZ | No Qualifier
					Drainage of Oral Cavity and Throat, Percutaneous Endoscopic Approach |