0NNT4ZZRelease Right Mandible, Percutaneous Endoscopic Approach
- Billable / Specific Code
0NNT4ZZ is a billable ICD-10-PCS procedure code for Release Right Mandible, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 9 MS-DRGs. The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force. 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 | N | Release |
| 4 | BodyPart | T | Mandible, 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 release of the right mandible, open the FY 2027 ICD-10-PCS Alphabetic Index at Release, then the subterms Mandible, Right. The index leads to table 0NN, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0NNT4ZZ.
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 0NNT4ZZ
Is 0NNT4ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Right Mandible, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0NNT4ZZ 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 N is the Operation (Release); the 4th character T is the BodyPart (Mandible, 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 0NNT4ZZ group to?
On an inpatient stay, Release Right Mandible, Percutaneous Endoscopic Approach maps to MS-DRGs 143, 144, 145, 907, 908, 909, 957, 958, 959, with relative weights from 1.2335 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0NNT4ZZ?
Under the General Equivalence Mappings, Release Right Mandible, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 76.69 (Other facial bone repair). The mapping is approximate, so confirm it fits the documentation.
