ICD-10-PCS 2027 procedure code
03120ZWBypass Innominate Artery to Lower Extremity Vein, Open Approach
Short description: Bypass Innominate Artery to Low Extrem Vn, Open Approach
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 03120ZW
03120ZW is the ICD-10-PCS code for a bypass procedure on the innominate artery using an open approach (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 03130ZW (right subclavian artery), 03140ZW (left subclavian artery), 03150ZW (right axillary artery), 03160ZW (left axillary artery), 03170ZW (right brachial artery) and 03180ZW (left brachial artery).
With a different device, use 031209W (autologous venous tissue), 03120AW (autologous arterial tissue), 03120JW (synthetic substitute) and 03120KW (nonautologous tissue substitute).
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 907 (Other O.R. Procedures for Injuries with MCC), DRG 908 (Other O.R. Procedures for Injuries with CC) and DRG 909 (Other O.R. Procedures for Injuries without CC/MCC), under the surgical categories “Other Vascular Procedures”, “Other O.R. Procedures for Injuries” and “Other O.R. Procedures for Multiple Significant Trauma”.
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
- 2Innominate Artery
Includes: Brachiocephalic artery; Brachiocephalic trunk
- 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
- ZNo Device
- 7. Qualifier
- WLower Extremity Vein
Other versions of this procedure
Different body part
Different device
Different qualifier
- 03120Z0Upper Arm Artery, Right
- 03120Z1Upper Arm Artery, Left
- 03120Z2Upper Arm Artery, Bilateral
- 03120Z3Lower Arm Artery, Right
- 03120Z4Lower Arm Artery, Left
- 03120Z5Lower Arm Artery, Bilateral
- 03120Z6Upper Leg Artery, Right
- 03120Z7Upper Leg Artery, Left
- 03120Z8Upper Leg Artery, Bilateral
- 03120Z9Lower Leg Artery, Right
- 03120ZBLower Leg Artery, Left
- 03120ZCLower Leg Artery, Bilateral
MS-DRG v44.0 grouping
All DRGs →Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.
MDC 05 · Diseases and Disorders of the Circulatory System · Other Vascular Procedures
MDC 21 · Injuries, Poisonings and Toxic Effects of Drugs · Other O.R. Procedures for Injuries
MDC 24 · Multiple Significant Trauma · Other O.R. Procedures for Multiple Significant Trauma
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2020 (effective 10/1/2019): Added
- No changes since FY2020.
Common questions about 03120ZW
Is 03120ZW a valid ICD-10-PCS code for 2027?
- Yes. 03120ZW is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
Is 03120ZW an O.R. procedure?
- Yes. 03120ZW is an O.R. procedure in MS-DRG v44.0.
What DRG does 03120ZW group to?
- Depending on the principal diagnosis, 03120ZW can group to MS-DRG 252, MS-DRG 253, MS-DRG 254, MS-DRG 907, MS-DRG 908 and MS-DRG 909.