0W21XYZ
Change Other Device in Cranial Cavity, External Approach
Axis Breakdown
Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section0 | Medical and Surgical |
| 2 | Body SystemW | Anatomical Regions, General |
| 3 | Root Operation2 | 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 |
| 4 | Body Part1 | Cranial Cavity |
| 5 | ApproachX | External |
| 6 | DeviceY | Other Device |
| 7 | QualifierZ | No Qualifier |
Contextual Map
Every relationship of 0W21XYZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
PCS table
- 0W2[PCS table]
- [object Object] — Section: [object Object] [Section]: “[object Object]”
- [object Object] — Body System: [object Object] [Body System]: “[object Object]”
- [object Object] — Operation: [object Object] [Operation]: “[object Object]”
Nearest codes
- 0W20XYZ — Change Other Device in Head, External Approach [One axis away]
- 0W21X0Z — Change Drainage Device in Cranial Cavity, External Approach [One axis away]
- 0W22XYZ — Change Other Device in Face, External Approach [One axis away]
- 0W24XYZ — Change Other Device in Upper Jaw, External Approach [One axis away]
- 0W25XYZ — Change Other Device in Lower Jaw, External Approach [One axis away]
- 0W26XYZ — Change Other Device in Neck, External Approach [One axis away]
- 0W28XYZ — Change Other Device in Chest Wall, External Approach [One axis away]
- 0W29XYZ — Change Other Device in Right Pleural Cavity, External Approach [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.