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ICD-10-PCS 2027 procedure code

03C04ZZExtirpation of Matter from Right Internal Mammary Artery, Percutaneous Endoscopic Approach

✓ Valid for 2027O.R. procedure

Short description: Extirpate of Matter from R Int Mamm Art, Perc Endo Approach

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 03C04ZZ

03C04ZZ is the ICD-10-PCS code for a extirpation procedure on the right internal mammary artery using a percutaneous endoscopic approach. In ICD-10-PCS, extirpation means taking or cutting out solid matter from a body part.

In plain terms, this corresponds to procedure on single vessel, incision of vessel, other thoracic vessels and Endarterectomy, other thoracic vessels, the ICD-9-CM procedure titles it maps to (00.40, 38.05 and 38.15).

For a different body part, codes include 03C14ZZ (left internal mammary artery), 03C24ZZ (innominate artery), 03C34ZZ (right subclavian artery), 03C44ZZ (left subclavian artery), 03C54ZZ (right axillary artery), 03C64ZZ (left axillary artery) and 23 more.

The same procedure with a different approach is coded 03C00ZZ (open) and 03C03ZZ (percutaneous).

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”, “Other Major Cardiovascular Procedures”, “Other O.R. Procedures for Injuries” and 1 more.

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
CExtirpation

Taking or cutting out solid matter from a body part

The solid matter may be an abnormal byproduct of a biological function or a foreign body; it may be imbedded in a body part or in the lumen of a tubular body part. The solid matter may or may not have been previously broken into pieces

Includes: Thrombectomy, choledocholithotomy

4. Body Part
0Internal Mammary Artery, Right
5. Approach
4Percutaneous Endoscopic

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize 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 →
  • 00.40Procedure on single vesselapproximate, combination
  • 38.05Incision of vessel, other thoracic vesselsapproximate
  • 38.15Endarterectomy, other thoracic vesselsapproximate, combination

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 03C04ZZ

Is 03C04ZZ a valid ICD-10-PCS code for 2027?

Yes. 03C04ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 03C04ZZ an O.R. procedure?

Yes. 03C04ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 03C04ZZ group to?

Depending on the principal diagnosis, 03C04ZZ 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 03C04ZZ?

The CMS GEMs map 03C04ZZ to ICD-9-CM 00.40 (Procedure on single vessel), 38.05 (Incision of vessel, other thoracic vessels) and 38.15 (Endarterectomy, other thoracic vessels).