0NHW4MZInsertion of Bone Growth Stimulator into Facial Bone, Percutaneous Endoscopic Approach
- Billable / Specific Code
0NHW4MZ is a billable ICD-10-PCS procedure code for Insertion of Bone Growth Stimulator into Facial Bone, Percutaneous Endoscopic 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 Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.
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 | H | Insertion |
| 4 | BodyPart | W | Facial Bone |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | M | Bone Growth Stimulator |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NHW4MZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NHW4MZ
Is 0NHW4MZ a billable code?
Yes. 0NHW4MZ is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Bone Growth Stimulator into Facial Bone, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NHW4MZ mean?
0NHW4MZ 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 H is the Operation (Insertion); the 4th character W is the BodyPart (Facial Bone); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character M is the Device (Bone Growth Stimulator); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NHW4MZ group to?
On an inpatient stay, Insertion of Bone Growth Stimulator into Facial Bone, Percutaneous Endoscopic 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 0NHW4MZ?
Under the General Equivalence Mappings, Insertion of Bone Growth Stimulator into Facial Bone, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 76.09. The mapping is approximate, so confirm it fits the documentation.
