Skip to content
Dx

ICD-10-PCS 2027 procedure code

03L43ZZOcclusion of Left Subclavian Artery, Percutaneous 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 03L43ZZ

03L43ZZ is the ICD-10-PCS code for a occlusion procedure on the left subclavian artery using a percutaneous approach. In ICD-10-PCS, occlusion means completely closing an orifice or the lumen of a tubular body part.

In plain terms, this corresponds to other surgical occlusion of vessels, thoracic vessels, the ICD-9-CM procedure title it maps to (38.85).

For a different body part, codes include 03L03ZZ (right internal mammary artery), 03L13ZZ (left internal mammary artery), 03L23ZZ (innominate artery), 03L33ZZ (right subclavian artery), 03L53ZZ (right axillary artery), 03L63ZZ (left axillary artery) and 23 more.

The same procedure with a different approach is coded 03L40ZZ (open) and 03L44ZZ (percutaneous endoscopic).

With a different device, use 03L43CZ (extraluminal device) and 03L43DZ (intraluminal device).

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 209 (Complex Aortic Arch Procedures), DRG 270 (Other Major Cardiovascular Procedures with MCC) and DRG 271 (Other Major Cardiovascular Procedures with CC), under the surgical categories “Major Chest Procedures”, “Complex Aortic Arch Procedures”, “Other Major Cardiovascular 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
LOcclusion

Completely closing an orifice or the lumen of a tubular body part

The orifice can be a natural orifice or an artificially created orifice

Includes: Fallopian tube ligation, ligation of inferior vena cava

4. Body Part
4Subclavian Artery, Left

Includes: Costocervical trunk; Dorsal scapular artery; Internal thoracic 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

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 · Complex Aortic Arch Procedures

ICD-9-CM equivalent

Converter →
  • 38.85Other surgical occlusion 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 03L43ZZ

Is 03L43ZZ a valid ICD-10-PCS code for 2027?

Yes. 03L43ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 03L43ZZ an O.R. procedure?

Yes. 03L43ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 03L43ZZ group to?

Depending on the principal diagnosis, 03L43ZZ can group to MS-DRG 163, MS-DRG 164, MS-DRG 165, MS-DRG 209, MS-DRG 270 and MS-DRG 271.

What is the ICD-9 procedure code for 03L43ZZ?

The CMS GEMs map 03L43ZZ to ICD-9-CM 38.85 (Other surgical occlusion of vessels, thoracic vessels).