 
| PCS-2023 > 0 > 0W > 0W9 > 0W91 | 
| 0W9 | Anatomical Regions, General, Drainage | |
| Info: | Drainage: Taking or letting out fluids and/or gases from a body part | |
| 0W91 | Drainage, Cranial Cavity | |
| 0W910 | Open | |
| 0W9100 | Drainage Device | |
| 0W9100Z | Drainage of Cranial Cavity with Drainage Device, Open Approach | |
| 0W910Z | No Device | |
| 0W910ZX | Drainage of Cranial Cavity, Open Approach, Diagnostic | |
| 0W910ZZ | Drainage of Cranial Cavity, Open Approach | |
| 0W913 | Percutaneous | |
| 0W9130 | Drainage Device | |
| 0W9130Z | Drainage of Cranial Cavity with Drainage Device, Percutaneous Approach | |
| 0W913Z | No Device | |
| 0W913ZX | Drainage of Cranial Cavity, Percutaneous Approach, Diagnostic | |
| 0W913ZZ | Drainage of Cranial Cavity, Percutaneous Approach | |
| 0W914 | Percutaneous Endoscopic | |
| 0W9140 | Drainage Device | |
| 0W9140Z | Drainage of Cranial Cavity with Drainage Device, Percutaneous Endoscopic Approach | |
| 0W914Z | No Device | |
| 0W914ZX | Drainage of Cranial Cavity, Percutaneous Endoscopic Approach, Diagnostic | |
| 0W914ZZ | Drainage of Cranial Cavity, Percutaneous Endoscopic Approach | |
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