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ICD-10-PCS 2027 procedure code

031809WBypass Left Brachial Artery to Lower Extremity Vein with Autologous Venous Tissue, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Bypass L Brach Art to Low Extrem Vn w Autol Vn, Open

Code last changed in FY2020 (effective October 1, 2019). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 031809W

031809W is the ICD-10-PCS code for a bypass procedure on the left brachial artery using an open approach with autologous venous tissue (qualifier: lower extremity vein). In ICD-10-PCS, bypass means altering the route of passage of the contents of a tubular body part.

For a different body part, codes include 031209W (innominate artery), 031309W (right subclavian artery), 031409W (left subclavian artery), 031509W (right axillary artery), 031609W (left axillary artery) and 031709W (right brachial artery).

With a different device, use 03180AW (autologous arterial tissue), 03180JW (synthetic substitute), 03180KW (nonautologous tissue substitute) and 03180ZW (no device).

It is an operating-room procedure in the MS-DRG logic for DRG 252 (Other Vascular Procedures with MCC), DRG 253 (Other Vascular Procedures with CC), DRG 254 (Other Vascular Procedures without CC/MCC), DRG 579 (Other Skin, Subcutaneous Tissue and Breast Procedures with MCC), DRG 580 (Other Skin, Subcutaneous Tissue and Breast Procedures with CC) and DRG 581 (Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC), under the surgical categories “Other Vascular Procedures”, “Other Skin, Subcutaneous Tissue and Breast Procedures”, “Other Endocrine, Nutritional and Metabolic O.R. Procedures” and 2 more.

It was added in FY2020, effective October 1, 2019.

What each character means

1. Section
0Medical and Surgical
2. Body System
3Upper Arteries
3. Operation
1Bypass

Altering the route of passage of the contents of a tubular body part

Rerouting contents of a body part to a downstream area of the normal route, to a similar route and body part, or to an abnormal route and dissimilar body part. Includes one or more anastomoses, with or without the use of a device

Includes: Coronary artery bypass, colostomy formation

4. Body Part
8Brachial Artery, Left

Includes: Inferior ulnar collateral artery; Profunda brachii; Superior ulnar collateral artery

5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
9Autologous Venous Tissue
7. Qualifier
WLower Extremity Vein

Other versions of this procedure

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2020 (effective 10/1/2019): Added
  • No changes since FY2020.

Common questions about 031809W

Is 031809W a valid ICD-10-PCS code for 2027?

Yes. 031809W is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 031809W an O.R. procedure?

Yes. 031809W is an O.R. procedure in MS-DRG v44.0.

What DRG does 031809W group to?

Depending on the principal diagnosis, 031809W can group to MS-DRG 252, MS-DRG 253, MS-DRG 254, MS-DRG 579, MS-DRG 580 and MS-DRG 581.