| 099100Z | Drainage of Left External Ear with Drainage Device, Open Approach |
| 09910ZX | Drainage of Left External Ear, Open Approach, Diagnostic |
| 09910ZZ | Drainage of Left External Ear, Open Approach |
| 099130Z | Drainage of Left External Ear with Drainage Device, Percutaneous Approach |
| 09913ZX | Drainage of Left External Ear, Percutaneous Approach, Diagnostic |
| 09913ZZ | Drainage of Left External Ear, Percutaneous Approach |
| 099140Z | Drainage of Left External Ear with Drainage Device, Percutaneous Endoscopic Approach |
| 09914ZX | Drainage of Left External Ear, Percutaneous Endoscopic Approach, Diagnostic |
| 09914ZZ | Drainage of Left External Ear, Percutaneous Endoscopic Approach |
| 0991X0Z | Drainage of Left External Ear with Drainage Device, External Approach |
| 0991XZZ | Drainage of Left External Ear, External Approach |
