01BK4ZXExcision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic

  • Billable / Specific Code
ICD-10-PCS 01BK4ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

01BK4ZX is a billable ICD-10-PCS procedure code for Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 040, 041, 042. The root operation Excision involves cutting out or off, without replacement, a portion of a body part.

Code Identity

ICD-10-PCS Code
01BK4ZX
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic
Parent Code
Short Description
Excision of Head Neck Symp Nrv, Perc Endo Approach, Diagn

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
3OperationBExcision
4BodyPartKHead and Neck Sympathetic Nerve
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierXDiagnostic

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 01BK4ZX under the General Equivalence Mappings.

51.1
Approximate match.

Similar Procedure Codes

Questions About 01BK4ZX

Is 01BK4ZX a billable code?

Yes. 01BK4ZX is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 01BK4ZX mean?

01BK4ZX 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 B is the Operation (Excision); the 4th character K is the BodyPart (Head and Neck Sympathetic Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).

What MS-DRG does 01BK4ZX group to?

On an inpatient stay, Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic maps to MS-DRGs 040, 041, 042, with relative weights from 1.7277 to 3.8612. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 01BK4ZX?

Under the General Equivalence Mappings, Excision of Head and Neck Sympathetic Nerve, Percutaneous Endoscopic Approach, Diagnostic crosswalks to ICD-9-PCS 51.1. The mapping is approximate, so confirm it fits the documentation.