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ICD-10-PCS 2027 procedure code

027004ZDilation of Coronary Artery, One Artery with Drug-eluting Intraluminal Device, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Dilation of 1 Cor Art with Drug-elut Intra, Open Approach

Code last changed in FY2017 (effective October 1, 2016). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 027004Z

027004Z is the ICD-10-PCS code for a dilation procedure on the coronary artery, one artery using an open approach with intraluminal device, drug-eluting. In ICD-10-PCS, dilation means expanding an orifice or the lumen of a tubular body part.

In plain terms, this corresponds to procedure on single vessel, insertion of one vascular stent, open chest coronary artery angioplasty and 1 more, the ICD-9-CM procedure titles it maps to (00.40, 00.45, 36.03 and 1 more).

For a different body part, codes include 027104Z (coronary artery, two arteries), 027204Z (coronary artery, three arteries), 027304Z (coronary artery, four or more arteries), 027F04Z (aortic valve), 027G04Z (mitral valve), 027H04Z (pulmonary valve) and 11 more.

The same procedure with a different approach is coded 027034Z (percutaneous) and 027044Z (percutaneous endoscopic).

With a different device, use 027005Z (intraluminal device, drug-eluting, two), 027006Z (intraluminal device, drug-eluting, three), 027007Z (intraluminal device, drug-eluting, four or more), 02700DZ (intraluminal device), 02700EZ (intraluminal device, two), 02700FZ (intraluminal device, three) and 3 more.

It is an operating-room procedure in the MS-DRG logic for DRG 228 (Other Cardiothoracic Procedures with MCC) and DRG 229 (Other Cardiothoracic Procedures without MCC), under the surgical category “Other Cardiothoracic Procedures”.

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
2Heart and Great Vessels
3. Operation
7Dilation

Expanding an orifice or the lumen of a tubular body part

The orifice can be a natural orifice or an artificially created orifice. Accomplished by stretching a tubular body part using intraluminal pressure or by cutting part of the orifice or wall of the tubular body part

Includes: Percutaneous transluminal angioplasty, internal urethrotomy

4. Body Part
0Coronary Artery, One 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
4Intraluminal Device, Drug-eluting
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 · Other Cardiothoracic Procedures

ICD-9-CM equivalent

Converter →
  • 00.40Procedure on single vesselapproximate, combination
  • 00.45Insertion of one vascular stentapproximate, combination
  • 36.03Open chest coronary artery angioplastyapproximate, combination
  • 36.07Insertion of drug-eluting coronary artery stent(s)approximate, 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)
  • FY2017 (effective 10/1/2016): Title revised — was “Dilation of Coronary Artery, One Site with Drug-eluting Intraluminal Device, Open Approach”

Common questions about 027004Z

Is 027004Z a valid ICD-10-PCS code for 2027?

Yes. 027004Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 027004Z an O.R. procedure?

Yes. 027004Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 027004Z group to?

Depending on the principal diagnosis, 027004Z can group to MS-DRG 228 and MS-DRG 229.

What is the ICD-9 procedure code for 027004Z?

The CMS GEMs map 027004Z to ICD-9-CM 00.40 (Procedure on single vessel), 00.45 (Insertion of one vascular stent), 36.03 (Open chest coronary artery angioplasty) and 1 more.