| 0G20X0Z | Change Drainage Device in Pituitary Gland, External Approach |
| 0G20XYZ | Change Other Device in Pituitary Gland, External Approach |
| 0G21X0Z | Change Drainage Device in Pineal Body, External Approach |
| 0G21XYZ | Change Other Device in Pineal Body, External Approach |
| 0G25X0Z | Change Drainage Device in Adrenal Gland, External Approach |
| 0G25XYZ | Change Other Device in Adrenal Gland, External Approach |
| 0G2KX0Z | Change Drainage Device in Thyroid Gland, External Approach |
| 0G2KXYZ | Change Other Device in Thyroid Gland, External Approach |
| 0G2RX0Z | Change Drainage Device in Parathyroid Gland, External Approach |
| 0G2RXYZ | Change Other Device in Parathyroid Gland, External Approach |
| 0G2SX0Z | Change Drainage Device in Endocrine Gland, External Approach |
| 0G2SXYZ | Change Other Device in Endocrine Gland, External Approach |
