01N94ZZRelease Lumbar Plexus, Percutaneous Endoscopic Approach
- Billable / Specific Code
01N94ZZ is a billable ICD-10-PCS procedure code for Release Lumbar Plexus, 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 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 Lumbosacral nerve decompression.
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 | 1 | Peripheral Nervous System |
| 3 | Operation | N | Release |
| 4 | BodyPart | 9 | Lumbar Plexus |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to this code:
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 01N94ZZ
Is 01N94ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Lumbar Plexus, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 01N94ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 1 is the Body System (Peripheral Nervous System); the 3rd character N is the Operation (Release); the 4th character 9 is the BodyPart (Lumbar Plexus); 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 01N94ZZ group to?
On an inpatient stay, Release Lumbar Plexus, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 515, 516, 517, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 01N94ZZ?
Under the General Equivalence Mappings, Release Lumbar Plexus, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 04.49 (Other peripheral nerve or ganglion decompression or lysis of adhesions). The mapping is approximate, so confirm it fits the documentation.
