| 0G9000Z | Drainage of Pituitary Gland with Drainage Device, Open Approach |
| 0G900ZX | Drainage of Pituitary Gland, Open Approach, Diagnostic |
| 0G900ZZ | Drainage of Pituitary Gland, Open Approach |
| 0G9030Z | Drainage of Pituitary Gland with Drainage Device, Percutaneous Approach |
| 0G903ZZ | Drainage of Pituitary Gland, Percutaneous Approach |
| 0G9040Z | Drainage of Pituitary Gland with Drainage Device, Percutaneous Endoscopic Approach |
| 0G904ZX | Drainage of Pituitary Gland, Percutaneous Endoscopic Approach, Diagnostic |
| 0G904ZZ | Drainage of Pituitary Gland, Percutaneous Endoscopic Approach |
