 
| PCS-2023 > 0 > 0G > 0GW > 0GW0 | 
| 0GW | Endocrine System, Revision | |
| Info: | Revision: Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device | |
| 0GW0 | Revision, Pituitary Gland | |
| 0GW00 | Open | |
| 0GW000 | Drainage Device | |
| 0GW000Z | Revision of Drainage Device in Pituitary Gland, Open Approach | |
| 0GW03 | Percutaneous | |
| 0GW030 | Drainage Device | |
| 0GW030Z | Revision of Drainage Device in Pituitary Gland, Percutaneous Approach | |
| 0GW04 | Percutaneous Endoscopic | |
| 0GW040 | Drainage Device | |
| 0GW040Z | Revision of Drainage Device in Pituitary Gland, Percutaneous Endoscopic Approach | |
| 0GW0X | External | |
| 0GW0X0 | Drainage Device | |
| 0GW0X0Z | Revision of Drainage Device in Pituitary Gland, External Approach | |
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