0NNB4ZZRelease Nasal Bone, Percutaneous Endoscopic Approach
- Billable / Specific Code
0NNB4ZZ is a billable ICD-10-PCS procedure code for Release Nasal Bone, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force.
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 | B | Nasal Bone |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0NNB4ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0NNB4ZZ
Is 0NNB4ZZ a billable code?
Yes. 0NNB4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Nasal Bone, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0NNB4ZZ mean?
0NNB4ZZ 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 B is the BodyPart (Nasal Bone); 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 is the ICD-9-PCS equivalent of 0NNB4ZZ?
Under the General Equivalence Mappings, Release Nasal Bone, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 21.91. The mapping is approximate, so confirm it fits the documentation.
