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ICD-10-PCS 2027 procedure code

02590ZZDestruction of Chordae Tendineae, 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 02590ZZ

02590ZZ is the ICD-10-PCS code for a destruction procedure on the chordae tendineae using an open approach. In ICD-10-PCS, destruction means physical eradication of all or a portion of a body part by the direct use of energy, force, or a destructive agent.

In plain terms, this corresponds to excision or destruction of other lesion or tissue of heart, open approach, the ICD-9-CM procedure title it maps to (37.33).

For a different body part, codes include 02540ZZ (coronary vein), 02550ZZ (atrial septum), 02560ZZ (right atrium), 02570ZZ (left atrium), 02580ZZ (conduction mechanism), 025D0ZZ (papillary muscle) and 16 more.

The same procedure with a different approach is coded 02593ZZ (percutaneous) and 02594ZZ (percutaneous endoscopic).

It is an operating-room procedure in the MS-DRG logic for DRG 212 (Concomitant Aortic and Mitral Valve Procedures), DRG 228 (Other Cardiothoracic Procedures with MCC), DRG 229 (Other Cardiothoracic Procedures without MCC), DRG 233 (Coronary Bypass with Cardiac Catheterization or Open Ablation with MCC) and DRG 234 (Coronary Bypass with Cardiac Catheterization or Open Ablation without MCC), under the surgical categories “Concomitant Aortic and Mitral Valve Procedures”, “Other Cardiothoracic Procedures” and “”.

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
5Destruction

Physical eradication of all or a portion of a body part by the direct use of energy, force, or a destructive agent

None of the body part is physically taken out

Includes: Fulguration of rectal polyp, cautery of skin lesion

4. Body Part
9Chordae Tendineae
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

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 · Concomitant Aortic and Mitral Valve Procedures

MDC 05 · Diseases and Disorders of the Circulatory System · Other Cardiothoracic Procedures

ICD-9-CM equivalent

Converter →
  • 37.33Excision or destruction of other lesion or tissue of heart, open approachapproximate

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 02590ZZ

Is 02590ZZ a valid ICD-10-PCS code for 2027?

Yes. 02590ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 02590ZZ an O.R. procedure?

Yes. 02590ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 02590ZZ group to?

Depending on the principal diagnosis, 02590ZZ can group to MS-DRG 212, MS-DRG 228, MS-DRG 229, MS-DRG 233 and MS-DRG 234.

What is the ICD-9 procedure code for 02590ZZ?

The CMS GEMs map 02590ZZ to ICD-9-CM 37.33 (Excision or destruction of other lesion or tissue of heart, open approach).