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ICD-10-PCS 2027 procedure code

04BY0ZZExcision of Lower 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 04BY0ZZ

04BY0ZZ is the ICD-10-PCS code for a excision procedure on the lower artery using an open 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 resection of vessel with anastomosis, unspecified site, resection of vessel with anastomosis, lower limb arteries, other excision of vessels, unspecified site and 1 more, the ICD-9-CM procedure titles it maps to (38.30, 38.38, 38.60 and 1 more).

For a different body part, codes include 04B00ZZ (abdominal aorta), 04B10ZZ (celiac artery), 04B20ZZ (gastric artery), 04B30ZZ (hepatic artery), 04B40ZZ (splenic artery), 04B50ZZ (superior mesenteric artery) and 24 more.

The same procedure with a different approach is coded 04BY3ZZ (percutaneous) and 04BY4ZZ (percutaneous endoscopic).

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 628 (Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC or Insertion of Antibiotic-eluting Bone Void Filler), DRG 629 (Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC) and DRG 630 (Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC), under the surgical categories “Other Vascular Procedures”, “Other Endocrine, Nutritional and Metabolic O.R. 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
4Lower 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
YLower Artery

Includes: Umbilical artery

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

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 →
  • 38.30Resection of vessel with anastomosis, unspecified siteapproximate
  • 38.38Resection of vessel with anastomosis, lower limb arteriesapproximate
  • 38.60Other excision of vessels, unspecified siteapproximate
  • 38.68Other excision of vessels, lower limb arteriesapproximate

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 04BY0ZZ

Is 04BY0ZZ a valid ICD-10-PCS code for 2027?

Yes. 04BY0ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 04BY0ZZ an O.R. procedure?

Yes. 04BY0ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 04BY0ZZ group to?

Depending on the principal diagnosis, 04BY0ZZ can group to MS-DRG 252, MS-DRG 253, MS-DRG 254, MS-DRG 628, MS-DRG 629 and MS-DRG 630.

What is the ICD-9 procedure code for 04BY0ZZ?

The CMS GEMs map 04BY0ZZ to ICD-9-CM 38.30 (Resection of vessel with anastomosis, unspecified site), 38.38 (Resection of vessel with anastomosis, lower limb arteries), 38.60 (Other excision of vessels, unspecified site) and 1 more.