| 099300Z | Drainage of Right External Auditory Canal with Drainage Device, Open Approach |
| 09930ZX | Drainage of Right External Auditory Canal, Open Approach, Diagnostic |
| 09930ZZ | Drainage of Right External Auditory Canal, Open Approach |
| 099330Z | Drainage of Right External Auditory Canal with Drainage Device, Percutaneous Approach |
| 09933ZX | Drainage of Right External Auditory Canal, Percutaneous Approach, Diagnostic |
| 09933ZZ | Drainage of Right External Auditory Canal, Percutaneous Approach |
| 099340Z | Drainage of Right External Auditory Canal with Drainage Device, Percutaneous Endoscopic Approach |
| 09934ZX | Drainage of Right External Auditory Canal, Percutaneous Endoscopic Approach, Diagnostic |
| 09934ZZ | Drainage of Right External Auditory Canal, Percutaneous Endoscopic Approach |
| 09937ZX | Drainage of Right External Auditory Canal, Via Natural or Artificial Opening, Diagnostic |
| 09937ZZ | Drainage of Right External Auditory Canal, Via Natural or Artificial Opening |
| 099380Z | Drainage of Right External Auditory Canal with Drainage Device, Via Natural or Artificial Opening Endoscopic |
| 09938ZX | Drainage of Right External Auditory Canal, Via Natural or Artificial Opening Endoscopic, Diagnostic |
| 09938ZZ | Drainage of Right External Auditory Canal, Via Natural or Artificial Opening Endoscopic |
| 0993X0Z | Drainage of Right External Auditory Canal with Drainage Device, External Approach |
| 0993XZX | Drainage of Right External Auditory Canal, External Approach, Diagnostic |
| 0993XZZ | Drainage of Right External Auditory Canal, External Approach |
