| 0NP000Z | Removal of Drainage Device from Skull, Open Approach |
| 0NP003Z | Removal of Infusion Device from Skull, Open Approach |
| 0NP004Z | Removal of Internal Fixation Device from Skull, Open Approach |
| 0NP005Z | Removal of External Fixation Device from Skull, Open Approach |
| 0NP007Z | Removal of Autologous Tissue Substitute from Skull, Open Approach |
| 0NP00JZ | Removal of Synthetic Substitute from Skull, Open Approach |
| 0NP00KZ | Removal of Nonautologous Tissue Substitute from Skull, Open Approach |
| 0NP00MZ | Removal of Bone Growth Stimulator from Skull, Open Approach |
| 0NP00NZ | Removal of Neurostimulator Generator from Skull, Open Approach |
| 0NP00SZ | Removal of Hearing Device from Skull, Open Approach |
| 0NP030Z | Removal of Drainage Device from Skull, Percutaneous Approach |
| 0NP033Z | Removal of Infusion Device from Skull, Percutaneous Approach |
| 0NP035Z | Removal of External Fixation Device from Skull, Percutaneous Approach |
| 0NP037Z | Removal of Autologous Tissue Substitute from Skull, Percutaneous Approach |
| 0NP03JZ | Removal of Synthetic Substitute from Skull, Percutaneous Approach |
| 0NP03KZ | Removal of Nonautologous Tissue Substitute from Skull, Percutaneous Approach |
| 0NP03MZ | Removal of Bone Growth Stimulator from Skull, Percutaneous Approach |
| 0NP03SZ | Removal of Hearing Device from Skull, Percutaneous Approach |
| 0NP040Z | Removal of Drainage Device from Skull, Percutaneous Endoscopic Approach |
| 0NP043Z | Removal of Infusion Device from Skull, Percutaneous Endoscopic Approach |
| 0NP044Z | Removal of Internal Fixation Device from Skull, Percutaneous Endoscopic Approach |
| 0NP045Z | Removal of External Fixation Device from Skull, Percutaneous Endoscopic Approach |
| 0NP047Z | Removal of Autologous Tissue Substitute from Skull, Percutaneous Endoscopic Approach |
| 0NP04JZ | Removal of Synthetic Substitute from Skull, Percutaneous Endoscopic Approach |
| 0NP04KZ | Removal of Nonautologous Tissue Substitute from Skull, Percutaneous Endoscopic Approach |
| 0NP04MZ | Removal of Bone Growth Stimulator from Skull, Percutaneous Endoscopic Approach |
| 0NP04SZ | Removal of Hearing Device from Skull, Percutaneous Endoscopic Approach |
| 0NP0X0Z | Removal of Drainage Device from Skull, External Approach |
| 0NP0X3Z | Removal of Infusion Device from Skull, External Approach |
| 0NP0X4Z | Removal of Internal Fixation Device from Skull, External Approach |
| 0NP0X5Z | Removal of External Fixation Device from Skull, External Approach |
| 0NP0XMZ | Removal of Bone Growth Stimulator from Skull, External Approach |
| 0NP0XSZ | Removal of Hearing Device from Skull, External Approach |
