0NH044ZInsertion of Internal Fixation Device into Skull, Percutaneous Endoscopic Approach
- Billable / Specific Code
0NH044Z is a billable ICD-10-PCS procedure code for Insertion of Internal Fixation Device into Skull, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. 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. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Bone fixation (excluding extremities).
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 | 0 | Skull |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 4 | Internal Fixation Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NH044Z
Is 0NH044Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Internal Fixation Device into Skull, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0NH044Z mean?
The code 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 0 is the BodyPart (Skull); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 4 is the Device (Internal Fixation Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NH044Z group to?
On an inpatient stay, Insertion of Internal Fixation Device into Skull, Percutaneous Endoscopic Approach maps to MS-DRGs 023, 024, 025, 026, 027, 515, 516, 517, 907, 908, 909, 955, with relative weights from 1.3810 to 6.5257. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NH044Z?
Under the General Equivalence Mappings, Insertion of Internal Fixation Device into Skull, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 02.94 (Insertion or replacement of skull tongs or halo traction device). The mapping is approximate, so confirm it fits the documentation.
