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ICD-10-PCS 2027 procedure code

03B13ZZExcision of Left Internal Mammary Artery, Percutaneous Approach

✓ Valid for 2027O.R. procedure

Short description: Excision of Left Internal Mammary Artery, Perc 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 03B13ZZ

03B13ZZ is the ICD-10-PCS code for a excision procedure on the left internal mammary artery using a percutaneous approach. In ICD-10-PCS, excision means cutting out or off, without replacement, a portion of a body part.

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 03B03ZZ (right internal mammary artery), 03B23ZZ (innominate artery), 03B33ZZ (right subclavian artery), 03B43ZZ (left subclavian artery), 03B53ZZ (right axillary artery), 03B63ZZ (left axillary artery) and 23 more.

The same procedure with a different approach is coded 03B10ZZ (open) and 03B14ZZ (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”, “Other Major Cardiovascular Procedures”, “Stomach, Esophageal and Duodenal Procedures” and 2 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
BExcision

Cutting out or off, without replacement, a portion of a body part

The qualifier DIAGNOSTIC is used to identify excision procedures that are biopsies

Includes: Partial nephrectomy, liver biopsy

4. Body Part
1Internal Mammary Artery, Left

Includes: Anterior intercostal artery; Internal thoracic artery; Musculophrenic artery; Pericardiophrenic artery; Superior epigastric artery

5. Approach
3Percutaneous

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach the site of the procedure

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different qualifier

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 03B13ZZ

Is 03B13ZZ a valid ICD-10-PCS code for 2027?

Yes. 03B13ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 03B13ZZ an O.R. procedure?

Yes. 03B13ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 03B13ZZ group to?

Depending on the principal diagnosis, 03B13ZZ 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 03B13ZZ?

The CMS GEMs map 03B13ZZ to ICD-9-CM 38.65 (Other excision of vessels, thoracic vessels).