03HL4MZInsertion of Stimulator Lead into Left Internal Carotid Artery, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 03HL4MZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

03HL4MZ is a billable ICD-10-PCS procedure code for Insertion of Stimulator Lead into Left Internal Carotid Artery, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

Code Identity

ICD-10-PCS Code
03HL4MZ
Billable Status
Yes — Valid for Submission
Code Describes
Insertion of Stimulator Lead into Left Internal Carotid Artery, Percutaneous Endoscopic Approach
Parent Code
Short Description
Insert of Stim Lead into L Int Carotid, Perc Endo 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 System3Upper Arteries
3OperationHInsertion
4BodyPartLInternal Carotid Artery, Left
5Approach4Percutaneous Endoscopic
6DeviceMStimulator Lead
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 03HL4MZ under the General Equivalence Mappings.

39.82
Approximate match.

Similar Procedure Codes

Questions About 03HL4MZ

Is 03HL4MZ a billable code?

Yes. 03HL4MZ is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Stimulator Lead into Left Internal Carotid Artery, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 03HL4MZ mean?

03HL4MZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 3 is the Body System (Upper Arteries); the 3rd character H is the Operation (Insertion); the 4th character L is the BodyPart (Internal Carotid Artery, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character M is the Device (Stimulator Lead); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 03HL4MZ group to?

On an inpatient stay, Insertion of Stimulator Lead into Left Internal Carotid Artery, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 03HL4MZ?

Under the General Equivalence Mappings, Insertion of Stimulator Lead into Left Internal Carotid Artery, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.82. The mapping is approximate, so confirm it fits the documentation.