0NQ00ZZRepair Skull, Open Approach
- Billable / Specific Code
0NQ00ZZ is a billable ICD-10-PCS procedure code for Repair Skull, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 15 MS-DRGs. The root operation Repair involves restoring, to the extent possible, a body part to its normal anatomic structure and function. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Musculoskeletal procedures, NEC.
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 | Q | Repair |
| 4 | BodyPart | 0 | Skull |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No 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:
To code repair of the skull, open the FY 2027 ICD-10-PCS Alphabetic Index at Repair, then the subterm Skull. The index leads to table 0NQ, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0NQ00ZZ.
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 0NQ00ZZ
Is 0NQ00ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Repair Skull, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0NQ00ZZ 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 Q is the Operation (Repair); the 4th character 0 is the BodyPart (Skull); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NQ00ZZ group to?
On an inpatient stay, Repair Skull, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, 143, 144, 145, 515, 516, 517, 907, 908, 909, 955, with relative weights from 1.2335 to 6.5257. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NQ00ZZ?
Under the General Equivalence Mappings, Repair Skull, Open Approach crosswalks to ICD-9-PCS 02.06 (Other cranial osteoplasty). The mapping is approximate, so confirm it fits the documentation.
