03U40KZSupplement Left Subclavian Artery with Nonautologous Tissue Substitute, Open Approach

  • Billable / Specific Code
ICD-10-PCS 03U40KZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

03U40KZ is a billable ICD-10-PCS procedure code for Supplement Left Subclavian Artery with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 252, 253, 254. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Vessel repair and replacement.

Code Identity

ICD-10-PCS Code
03U40KZ
Billable Status
Yes — Valid for Submission
Code Describes
Supplement Left Subclavian Artery with Nonautologous Tissue Substitute, Open Approach
Short Description
Supplement L Subclav Art with Nonaut Sub, Open Approach
Parent Code

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
3OperationUSupplement
4BodyPart4Subclavian Artery, Left
5Approach0Open
6DeviceKNonautologous Tissue Substitute
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Supplement, Artery, Subclavian, Left
Leads to this code's table

To code supplement of the left subclavian artery, open the FY 2027 ICD-10-PCS Alphabetic Index at Supplement, then the subterms Artery, Subclavian, Left. The index leads to table 03U, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 03U40KZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR012
Vessel repair and replacement
Clinical domain: Cardiovascular Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

39.58
Repair of blood vessel with unspecified type of patch graft
Approximate match.

Similar Procedure Codes

Questions About 03U40KZ

Is 03U40KZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Left Subclavian Artery with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 03U40KZ mean?

The code 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 U is the Operation (Supplement); the 4th character 4 is the BodyPart (Subclavian Artery, Left); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 03U40KZ group to?

On an inpatient stay, Supplement Left Subclavian Artery with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7961 to 3.4822. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 03U40KZ?

Under the General Equivalence Mappings, Supplement Left Subclavian Artery with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 39.58 (Repair of blood vessel with unspecified type of patch graft). The mapping is approximate, so confirm it fits the documentation.