0NWWXMZRevision of Bone Growth Stimulator in Facial Bone, External Approach
- Billable / Specific Code
0NWWXMZ is a billable ICD-10-PCS procedure code for Revision of Bone Growth Stimulator in Facial Bone, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | N | Head and Facial Bones |
| 3 | Operation | W | Revision |
| 4 | BodyPart | W | Facial Bone |
| 5 | Approach | X | External |
| 6 | Device | M | Bone Growth Stimulator |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NWWXMZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NWWXMZ
Is 0NWWXMZ a billable code?
Yes. 0NWWXMZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Bone Growth Stimulator in Facial Bone, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NWWXMZ mean?
0NWWXMZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character N is the Body System (Head and Facial Bones); the 3rd character W is the Operation (Revision); the 4th character W is the BodyPart (Facial Bone); the 5th character X is the Approach (External); the 6th character M is the Device (Bone Growth Stimulator); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 0NWWXMZ?
Under the General Equivalence Mappings, Revision of Bone Growth Stimulator in Facial Bone, External Approach crosswalks to ICD-9-PCS 99.99. The mapping is approximate, so confirm it fits the documentation.
