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| 0GW000Z | Revision of Drainage Device in Pituitary Gland, Open Approach |
| 0GW030Z | Revision of Drainage Device in Pituitary Gland, Percutaneous Approach |
| 0GW040Z | Revision of Drainage Device in Pituitary Gland, Percutaneous Endoscopic Approach |
| 0GW0X0Z | Revision of Drainage Device in Pituitary Gland, External Approach |
| 0GW100Z | Revision of Drainage Device in Pineal Body, Open Approach |
| 0GW130Z | Revision of Drainage Device in Pineal Body, Percutaneous Approach |
| 0GW140Z | Revision of Drainage Device in Pineal Body, Percutaneous Endoscopic Approach |
| 0GW1X0Z | Revision of Drainage Device in Pineal Body, External Approach |
| 0GW500Z | Revision of Drainage Device in Adrenal Gland, Open Approach |
| 0GW530Z | Revision of Drainage Device in Adrenal Gland, Percutaneous Approach |
| 0GW540Z | Revision of Drainage Device in Adrenal Gland, Percutaneous Endoscopic Approach |
| 0GW5X0Z | Revision of Drainage Device in Adrenal Gland, External Approach |
| 0GWK00Z | Revision of Drainage Device in Thyroid Gland, Open Approach |
| 0GWK30Z | Revision of Drainage Device in Thyroid Gland, Percutaneous Approach |
| 0GWK40Z | Revision of Drainage Device in Thyroid Gland, Percutaneous Endoscopic Approach |
| 0GWKX0Z | Revision of Drainage Device in Thyroid Gland, External Approach |
| 0GWR00Z | Revision of Drainage Device in Parathyroid Gland, Open Approach |
| 0GWR30Z | Revision of Drainage Device in Parathyroid Gland, Percutaneous Approach |
| 0GWR40Z | Revision of Drainage Device in Parathyroid Gland, Percutaneous Endoscopic Approach |
| 0GWRX0Z | Revision of Drainage Device in Parathyroid Gland, External Approach |
| 0GWS00Z | Revision of Drainage Device in Endocrine Gland, Open Approach |
| 0GWS02Z | Revision of Monitoring Device in Endocrine Gland, Open Approach |
| 0GWS03Z | Revision of Infusion Device in Endocrine Gland, Open Approach |
| 0GWS0YZ | Revision of Other Device in Endocrine Gland, Open Approach |
| 0GWS30Z | Revision of Drainage Device in Endocrine Gland, Percutaneous Approach |
| 0GWS32Z | Revision of Monitoring Device in Endocrine Gland, Percutaneous Approach |
| 0GWS33Z | Revision of Infusion Device in Endocrine Gland, Percutaneous Approach |
| 0GWS3YZ | Revision of Other Device in Endocrine Gland, Percutaneous Approach |
| 0GWS40Z | Revision of Drainage Device in Endocrine Gland, Percutaneous Endoscopic Approach |
| 0GWS42Z | Revision of Monitoring Device in Endocrine Gland, Percutaneous Endoscopic Approach |
| 0GWS43Z | Revision of Infusion Device in Endocrine Gland, Percutaneous Endoscopic Approach |
| 0GWS4YZ | Revision of Other Device in Endocrine Gland, Percutaneous Endoscopic Approach |
| 0GWSX0Z | Revision of Drainage Device in Endocrine Gland, External Approach |
| 0GWSX2Z | Revision of Monitoring Device in Endocrine Gland, External Approach |
| 0GWSX3Z | Revision of Infusion Device in Endocrine Gland, External Approach |