 
| PCS-2023 > 0 > 00 > 002 > 0020 | 
| 002 | Central Nervous System and Cranial Nerves, Change | |
| Info: | Change: Taking out or off a device from a body part and putting back an identical or similar device in or on the same body part without cutting or puncturing the skin or a mucous membrane | |
| 0020 | Change, Brain | |
| 0020X | External | |
| 0020X0 | Drainage Device | |
| 0020X0Z | Change Drainage Device in Brain, External Approach | |
| 0020XY | Other Device | |
| 0020XYZ | Change Other Device in Brain, External Approach | |
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