01NB0ZZRelease Lumbar Nerve, Open Approach

  • Billable / Specific Code
ICD-10-PCS 01NB0ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

01NB0ZZ is a billable ICD-10-PCS procedure code for Release Lumbar Nerve, Open 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.

Code Identity

ICD-10-PCS Code
01NB0ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Lumbar Nerve, Open Approach
Parent Code
Short Description
Release Lumbar Nerve, Open Approach

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System1Peripheral Nervous System
3OperationNRelease
4BodyPartBLumbar Nerve
5Approach0Open
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 01NB0ZZ under the General Equivalence Mappings.

44.9
Approximate match.

Similar Procedure Codes

Questions About 01NB0ZZ

Is 01NB0ZZ a billable code?

Yes. 01NB0ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Lumbar Nerve, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 01NB0ZZ mean?

01NB0ZZ 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 B is the BodyPart (Lumbar Nerve); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 01NB0ZZ group to?

On an inpatient stay, Release Lumbar Nerve, Open 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 01NB0ZZ?

Under the General Equivalence Mappings, Release Lumbar Nerve, Open Approach crosswalks to ICD-9-PCS 44.9. The mapping is approximate, so confirm it fits the documentation.