09NQ4ZZRelease Right Maxillary Sinus, Percutaneous Endoscopic Approach
- Billable / Specific Code
09NQ4ZZ is a billable ICD-10-PCS procedure code for Release Right Maxillary Sinus, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 135, 136. 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 | 9 | Ear, Nose, Sinus |
| 3 | Operation | N | Release |
| 4 | BodyPart | Q | Maxillary Sinus, Right |
| 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 09NQ4ZZ under the General Equivalence Mappings.
Code History
- 09NQ8ZZ — Release Right Maxillary Sinus, Endo
Similar Procedure Codes
Questions About 09NQ4ZZ
Is 09NQ4ZZ a billable code?
Yes. 09NQ4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Right Maxillary Sinus, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 09NQ4ZZ mean?
09NQ4ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 9 is the Body System (Ear, Nose, Sinus); the 3rd character N is the Operation (Release); the 4th character Q is the BodyPart (Maxillary Sinus, 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 09NQ4ZZ group to?
On an inpatient stay, Release Right Maxillary Sinus, Percutaneous Endoscopic Approach maps to MS-DRGs 135, 136, with relative weights from 1.0153 to 2.1152. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 09NQ4ZZ?
Under the General Equivalence Mappings, Release Right Maxillary Sinus, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 22.79. The mapping is approximate, so confirm it fits the documentation.
