05W4XMZRevision of Neurostimulator Lead in Left Innominate Vein, External Approach

  • Billable / Specific Code
ICD-10-PCS 05W4XMZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

05W4XMZ is a billable ICD-10-PCS procedure code for Revision of Neurostimulator Lead in Left Innominate Vein, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.

Code Identity

ICD-10-PCS Code
05W4XMZ
Billable Status
Yes — Valid for Submission
Code Describes
Revision of Neurostimulator Lead in Left Innominate Vein, External Approach
Parent Code
Short Description
Revision of Neuro Lead in L Innom Vein, Extern 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 System5Upper Veins
3OperationWRevision
4BodyPart4Innominate Vein, Left
5ApproachXExternal
6DeviceMNeurostimulator Lead
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 05W4XMZ under the General Equivalence Mappings.

99.99
Approximate match.

Code History

Replaces previously assigned code(s):
  • 01WYXMZ — Revision of Neuro Lead in Periph Nrv, Extern Approach

Similar Procedure Codes

Questions About 05W4XMZ

Is 05W4XMZ a billable code?

Yes. 05W4XMZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Neurostimulator Lead in Left Innominate Vein, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 05W4XMZ mean?

05W4XMZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 5 is the Body System (Upper Veins); the 3rd character W is the Operation (Revision); the 4th character 4 is the BodyPart (Innominate Vein, Left); the 5th character X is the Approach (External); the 6th character M is the Device (Neurostimulator Lead); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 05W4XMZ?

Under the General Equivalence Mappings, Revision of Neurostimulator Lead in Left Innominate Vein, External Approach crosswalks to ICD-9-PCS 99.99. The mapping is approximate, so confirm it fits the documentation.