041W49SBypass Left Foot Artery to Lower Extremity Vein with Autologous Venous Tissue, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 041W49S
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

041W49S is a billable ICD-10-PCS procedure code for Bypass Left Foot Artery to Lower Extremity Vein with Autologous Venous Tissue, 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
041W49S
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Foot Artery to Lower Extremity Vein with Autologous Venous Tissue, Percutaneous Endoscopic Approach
Parent Code
Short Description
Bypass L Foot Art to Low Ex Vein w Autol Vn, Perc Endo

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
4BodyPartWFoot Artery, Left
5Approach4Percutaneous Endoscopic
6Device9Autologous Venous Tissue
7QualifierSLower Extremity Vein

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 041W49S under the General Equivalence Mappings.

39.29
Approximate match.

Code History

Replaces previously assigned code(s):
  • 041N49S — Bypass L Popl Art to Low Ex Vein w Autol Vn, Perc Endo

Similar Procedure Codes

Questions About 041W49S

Is 041W49S a billable code?

Yes. 041W49S is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Foot Artery to Lower Extremity Vein with Autologous Venous Tissue, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 041W49S mean?

041W49S 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 W is the BodyPart (Foot Artery, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 9 is the Device (Autologous Venous Tissue); the 7th character S is the Qualifier (Lower Extremity Vein).

What MS-DRG does 041W49S group to?

On an inpatient stay, Bypass Left Foot Artery to Lower Extremity Vein with Autologous Venous Tissue, 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 041W49S?

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