0NR40KZReplacement of Left Parietal Bone with Nonautologous Tissue Substitute, Open Approach
- Billable / Specific Code
0NR40KZ is a billable ICD-10-PCS procedure code for Replacement of Left Parietal Bone with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 11 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion 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 | R | Replacement |
| 4 | BodyPart | 4 | Parietal Bone, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | K | Nonautologous Tissue Substitute |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NR40KZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NR40KZ
Is 0NR40KZ a billable code?
Yes. 0NR40KZ is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Left Parietal Bone with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NR40KZ mean?
0NR40KZ 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 R is the Operation (Replacement); the 4th character 4 is the BodyPart (Parietal Bone, Left); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NR40KZ group to?
On an inpatient stay, Replacement of Left Parietal Bone with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, 143, 144, 145, 515, 516, 517, with relative weights from 1.2023 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NR40KZ?
Under the General Equivalence Mappings, Replacement of Left Parietal Bone with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 20.4. The mapping is approximate, so confirm it fits the documentation.
