0NWW0MZRevision of Bone Growth Stimulator in Facial Bone, Open Approach
- Billable / Specific Code
0NWW0MZ is a billable ICD-10-PCS procedure code for Revision of Bone Growth Stimulator in Facial Bone, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 143, 144, 145. 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 | 0 | Open |
| 6 | Device | M | Bone Growth Stimulator |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NWW0MZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NWW0MZ
Is 0NWW0MZ a billable code?
Yes. 0NWW0MZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Bone Growth Stimulator in Facial Bone, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NWW0MZ mean?
0NWW0MZ 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 0 is the Approach (Open); the 6th character M is the Device (Bone Growth Stimulator); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NWW0MZ group to?
On an inpatient stay, Revision of Bone Growth Stimulator in Facial Bone, Open Approach maps to MS-DRGs 143, 144, 145, with relative weights from 1.2023 to 3.7466. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NWW0MZ?
Under the General Equivalence Mappings, Revision of Bone Growth Stimulator in Facial Bone, Open Approach crosswalks to ICD-9-PCS 76.09. The mapping is approximate, so confirm it fits the documentation.
