01NL3ZZRelease Thoracic Sympathetic Nerve, Percutaneous Approach
- Billable / Specific Code
01NL3ZZ is a billable ICD-10-PCS procedure code for Release Thoracic Sympathetic Nerve, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 040, 041, 042. 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 Cervicothoracic 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 | L | Thoracic Sympathetic Nerve |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 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 01NL3ZZ
Is 01NL3ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Thoracic Sympathetic Nerve, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 01NL3ZZ 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 L is the BodyPart (Thoracic Sympathetic Nerve); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 01NL3ZZ group to?
On an inpatient stay, Release Thoracic Sympathetic Nerve, Percutaneous Approach maps to MS-DRGs 040, 041, 042, with relative weights from 1.6757 to 3.7168. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 01NL3ZZ?
Under the General Equivalence Mappings, Release Thoracic Sympathetic Nerve, Percutaneous Approach crosswalks to ICD-9-PCS 05.81 (Repair of sympathetic nerve or ganglion). The mapping is approximate, so confirm it fits the documentation.
