| 099000Z | Drainage of Right External Ear with Drainage Device, Open Approach |
| 09900ZX | Drainage of Right External Ear, Open Approach, Diagnostic |
| 09900ZZ | Drainage of Right External Ear, Open Approach |
| 099030Z | Drainage of Right External Ear with Drainage Device, Percutaneous Approach |
| 09903ZX | Drainage of Right External Ear, Percutaneous Approach, Diagnostic |
| 09903ZZ | Drainage of Right External Ear, Percutaneous Approach |
| 099040Z | Drainage of Right External Ear with Drainage Device, Percutaneous Endoscopic Approach |
| 09904ZX | Drainage of Right External Ear, Percutaneous Endoscopic Approach, Diagnostic |
| 0990X0Z | Drainage of Right External Ear with Drainage Device, External Approach |
| 0990XZX | Drainage of Right External Ear, External Approach, Diagnostic |
| 0990XZZ | Drainage of Right External Ear, External Approach |
