| 0N9400Z | Drainage of Left Parietal Bone with Drainage Device, Open Approach |
| 0N940ZX | Drainage of Left Parietal Bone, Open Approach, Diagnostic |
| 0N940ZZ | Drainage of Left Parietal Bone, Open Approach |
| 0N9430Z | Drainage of Left Parietal Bone with Drainage Device, Percutaneous Approach |
| 0N943ZX | Drainage of Left Parietal Bone, Percutaneous Approach, Diagnostic |
| 0N943ZZ | Drainage of Left Parietal Bone, Percutaneous Approach |
| 0N944ZX | Drainage of Left Parietal Bone, Percutaneous Endoscopic Approach, Diagnostic |
| 0N944ZZ | Drainage of Left Parietal Bone, Percutaneous Endoscopic Approach |
