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ICD-10-PCS 2027 procedure code

04B00ZZExcision of Abdominal Aorta, 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 04B00ZZ

04B00ZZ is the ICD-10-PCS code for a excision procedure on the abdominal aorta 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, aorta and other excision of vessels, aorta, abdominal, the ICD-9-CM procedure titles it maps to (38.34 and 38.64).

For a different body part, codes include 04B10ZZ (celiac artery), 04B20ZZ (gastric artery), 04B30ZZ (hepatic artery), 04B40ZZ (splenic artery), 04B50ZZ (superior mesenteric artery), 04B60ZZ (right colic artery) and 24 more.

The same procedure with a different approach is coded 04B03ZZ (percutaneous) and 04B04ZZ (percutaneous endoscopic).

It is an operating-room procedure in the MS-DRG logic for DRG 268 (Aortic and Heart Assist Procedures Except Pulsation Balloon with MCC), DRG 269 (Aortic and Heart Assist Procedures Except Pulsation Balloon without MCC), DRG 356 (Other Digestive System O.R. Procedures with MCC), DRG 357 (Other Digestive System O.R. Procedures with CC), DRG 358 (Other Digestive System O.R. Procedures without CC/MCC) and DRG 907 (Other O.R. Procedures for Injuries with MCC), under the surgical categories “Aortic and Heart Assist Procedures Except Pulsation Balloon”, “Other Digestive System 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
0Abdominal Aorta

Includes: Inferior phrenic artery; Lumbar artery; Median sacral artery; Middle suprarenal artery; Ovarian artery; Testicular 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.

MDC 05 · Diseases and Disorders of the Circulatory System · Aortic and Heart Assist Procedures Except Pulsation Balloon

ICD-9-CM equivalent

Converter →
  • 38.34Resection of vessel with anastomosis, aortaapproximate
  • 38.64Other excision of vessels, aorta, abdominalapproximate

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 04B00ZZ

Is 04B00ZZ a valid ICD-10-PCS code for 2027?

Yes. 04B00ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 04B00ZZ an O.R. procedure?

Yes. 04B00ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 04B00ZZ group to?

Depending on the principal diagnosis, 04B00ZZ can group to MS-DRG 268, MS-DRG 269, MS-DRG 356, MS-DRG 357, MS-DRG 358 and MS-DRG 907.

What is the ICD-9 procedure code for 04B00ZZ?

The CMS GEMs map 04B00ZZ to ICD-9-CM 38.34 (Resection of vessel with anastomosis, aorta) and 38.64 (Other excision of vessels, aorta, abdominal).