00QN4ZZRepair Acoustic Nerve, Percutaneous Endoscopic Approach
- Billable / Specific Code
00QN4ZZ is a billable ICD-10-PCS procedure code for Repair Acoustic Nerve, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Repair involves restoring, to the extent possible, a body part to its normal anatomic structure and function.
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 | 0 | Central Nervous System and Cranial Nerves |
| 3 | Operation | Q | Repair |
| 4 | BodyPart | N | Acoustic Nerve |
| 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 00QN4ZZ under the General Equivalence Mappings.
Code History
- 00RN47Z — Replacement of Acoust Nrv with Autol Sub, Perc Endo Approach
- 00RN4JZ — Replacement of Acoust Nrv with Synth Sub, Perc Endo Approach
- 00RN4KZ — Replace of Acoust Nrv with Nonaut Sub, Perc Endo Approach
- 00UN4JZ — Supplement Acoustic Nerve with Synth Sub, Perc Endo Approach
- 00UN4KZ — Supplement Acoust Nrv with Nonaut Sub, Perc Endo Approach
Similar Procedure Codes
Questions About 00QN4ZZ
Is 00QN4ZZ a billable code?
Yes. 00QN4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Repair Acoustic Nerve, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 00QN4ZZ mean?
00QN4ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character Q is the Operation (Repair); the 4th character N is the BodyPart (Acoustic Nerve); 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 00QN4ZZ group to?
On an inpatient stay, Repair Acoustic Nerve, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 143, 144, 145, 907, 908, 909, 957, 958, 959, with relative weights from 1.2023 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 00QN4ZZ?
Under the General Equivalence Mappings, Repair Acoustic Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 43 and 47.9. The mapping is approximate, so confirm it fits the documentation.
