041U4KSBypass Left Peroneal Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 041U4KS
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

041U4KS is a billable ICD-10-PCS procedure code for Bypass Left Peroneal Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, 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 Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
041U4KS
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Peroneal Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
Parent Code
Short Description
Bypass L Peroneal Art to Low Ex Vein w Nonaut Sub, Perc End

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 System4Lower Arteries
3Operation1Bypass
4BodyPartUPeroneal Artery, Left
5Approach4Percutaneous Endoscopic
6DeviceKNonautologous Tissue Substitute
7QualifierSLower Extremity Vein

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 041U4KS under the General Equivalence Mappings.

39.29
Approximate match.

Code History

Replaces previously assigned code(s):
  • 041N4KS — Bypass L Popl Art to Low Ex Vein w Nonaut Sub, Perc Endo

Similar Procedure Codes

Questions About 041U4KS

Is 041U4KS a billable code?

Yes. 041U4KS is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Peroneal Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 041U4KS mean?

041U4KS breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character 1 is the Operation (Bypass); the 4th character U is the BodyPart (Peroneal Artery, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character S is the Qualifier (Lower Extremity Vein).

What MS-DRG does 041U4KS group to?

On an inpatient stay, Bypass Left Peroneal Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, 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 041U4KS?

Under the General Equivalence Mappings, Bypass Left Peroneal Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.29. The mapping is approximate, so confirm it fits the documentation.