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ICD-10-PCS 2027 procedure code

03500ZZDestruction of Right Internal Mammary Artery, Open Approach

✓ Valid for 2027O.R. procedure

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 03500ZZ

03500ZZ is the ICD-10-PCS code for a destruction procedure on the right internal mammary artery using an open approach. In ICD-10-PCS, destruction means physical eradication of all or a portion of a body part by the direct use of energy, force, or a destructive agent.

In plain terms, this corresponds to other excision of vessels, thoracic vessels, the ICD-9-CM procedure title it maps to (38.65).

For a different body part, codes include 03510ZZ (left internal mammary artery), 03520ZZ (innominate artery), 03530ZZ (right subclavian artery), 03540ZZ (left subclavian artery), 03550ZZ (right axillary artery), 03560ZZ (left axillary artery) and 23 more.

The same procedure with a different approach is coded 03503ZZ (percutaneous) and 03504ZZ (percutaneous endoscopic).

It is an operating-room procedure in the MS-DRG logic for DRG 163 (Major Chest Procedures with MCC), DRG 164 (Major Chest Procedures with CC), DRG 165 (Major Chest Procedures without CC/MCC), DRG 270 (Other Major Cardiovascular Procedures with MCC), DRG 271 (Other Major Cardiovascular Procedures with CC) and DRG 272 (Other Major Cardiovascular Procedures without CC/MCC), under the surgical categories “Major Chest Procedures” and “Other Major Cardiovascular Procedures”.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
3Upper Arteries
3. Operation
5Destruction

Physical eradication of all or a portion of a body part by the direct use of energy, force, or a destructive agent

None of the body part is physically taken out

Includes: Fulguration of rectal polyp, cautery of skin lesion

4. Body Part
0Internal Mammary Artery, Right
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
ZNo Qualifier

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.

ICD-9-CM equivalent

Converter →
  • 38.65Other excision of vessels, thoracic vesselsapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

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
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 03500ZZ

Is 03500ZZ a valid ICD-10-PCS code for 2027?

Yes. 03500ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 03500ZZ an O.R. procedure?

Yes. 03500ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 03500ZZ group to?

Depending on the principal diagnosis, 03500ZZ can group to MS-DRG 163, MS-DRG 164, MS-DRG 165, MS-DRG 270, MS-DRG 271 and MS-DRG 272.

What is the ICD-9 procedure code for 03500ZZ?

The CMS GEMs map 03500ZZ to ICD-9-CM 38.65 (Other excision of vessels, thoracic vessels).