0NB34ZZExcision of Right Parietal Bone, Percutaneous Endoscopic Approach
- Billable / Specific Code
0NB34ZZ is a billable ICD-10-PCS procedure code for Excision of Right Parietal Bone, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 21 MS-DRGs. The root operation Excision involves cutting out or off, without replacement, a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Bone excision.
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 | B | Excision |
| 4 | BodyPart | 3 | Parietal Bone, Right |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 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 excision of the right parietal bone, open the FY 2027 ICD-10-PCS Alphabetic Index at Excision, then the subterms Bone, Parietal, Right. The index leads to table 0NB, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0NB34ZZ.
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 0NB34ZZ
Is 0NB34ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Right Parietal Bone, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0NB34ZZ 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 B is the Operation (Excision); the 4th character 3 is the BodyPart (Parietal Bone, Right); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0NB34ZZ group to?
On an inpatient stay, Excision of Right Parietal Bone, Percutaneous Endoscopic Approach maps to MS-DRGs 023, 024, 025, 026, 027, 143, 144, 145, 515, 516, 517, 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 0NB34ZZ?
Under the General Equivalence Mappings, Excision of Right Parietal Bone, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 01.25 (Other craniectomy) and 01.6 (Excision of lesion of skull). The mapping is approximate, so confirm it fits the documentation.
