| 0N9R00Z | Drainage of Maxilla with Drainage Device, Open Approach |
| 0N9R0ZX | Drainage of Maxilla, Open Approach, Diagnostic |
| 0N9R0ZZ | Drainage of Maxilla, Open Approach |
| 0N9R30Z | Drainage of Maxilla with Drainage Device, Percutaneous Approach |
| 0N9R3ZX | Drainage of Maxilla, Percutaneous Approach, Diagnostic |
| 0N9R40Z | Drainage of Maxilla with Drainage Device, Percutaneous Endoscopic Approach |
| 0N9R4ZX | Drainage of Maxilla, Percutaneous Endoscopic Approach, Diagnostic |
| 0N9R4ZZ | Drainage of Maxilla, Percutaneous Endoscopic Approach |
