0NC50ZZExtirpation of Matter from Right Temporal Bone, Open Approach
- Billable / Specific Code
0NC50ZZ is a billable ICD-10-PCS procedure code for Extirpation of Matter from Right Temporal Bone, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 18 MS-DRGs. The root operation Extirpation involves taking or cutting out solid matter from a body part. 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 | C | Extirpation |
| 4 | BodyPart | 5 | Temporal Bone, Right |
| 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 extirpation of the right temporal bone, open the FY 2027 ICD-10-PCS Alphabetic Index at Extirpation, then the subterms Bone, Temporal, Right. The index leads to table 0NC, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0NC50ZZ.
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 0NC50ZZ
Is 0NC50ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Extirpation of Matter from Right Temporal Bone, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0NC50ZZ 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 C is the Operation (Extirpation); the 4th character 5 is the BodyPart (Temporal Bone, Right); 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 0NC50ZZ group to?
On an inpatient stay, Extirpation of Matter from Right Temporal Bone, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, 143, 144, 145, 820, 821, 822, 826, 827, 828, 907, 908, 909, 955, with relative weights from 1.1267 to 6.5257. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NC50ZZ?
Under the General Equivalence Mappings, Extirpation of Matter from Right Temporal Bone, Open Approach crosswalks to ICD-9-PCS 01.24 (Other craniotomy). The mapping is approximate, so confirm it fits the documentation.
