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ICD-10-CM 2027 diagnosis code

I24.1Dressler's syndrome

✓ Billable / specificCC — complication/comorbidity

I24.1 is a valid, billable ICD-10-CM code for dressler's syndrome. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.

Looking up by condition? See ICD-10 code for Dressler's syndrome.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About I24.1

I24.1 is the ICD-10-CM diagnosis code for Dressler's syndrome. It belongs to category I24 (other acute ischemic heart diseases), block I20-I25 (ischemic heart diseases) and chapter 9 (diseases of the circulatory system). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

Within I24 (other acute ischemic heart diseases), I24.1 is specifically for Dressler's syndrome. Related codes cover acute coronary thrombosis not resulting in myocardial infarction (I24.0), other forms of acute ischemic heart disease (I24.8) and acute ischemic heart disease, unspecified (I24.9).

Don't report I24.1 together with the conditions in its Excludes1 note: postinfarction angina (I23.7).

As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.

In MS-DRG v44.0, it is part of the grouping logic for DRG 314 (Other Circulatory System Diagnoses with MCC, relative weight 2.0873), DRG 315 (Other Circulatory System Diagnoses with CC, relative weight 0.9508) and DRG 316 (Other Circulatory System Diagnoses without CC/MCC, relative weight 0.6677), in MDC 05 (Diseases and Disorders of the Circulatory System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as 411.0 (Postmyocardial infarction syndrome).

Coding notes

Applicable toConditions and synonyms classified to this code
  • Postmyocardial infarction syndrome
Excludes1Not coded here — never report together with this code
  • postinfarction angina (I23.7)

Notes that apply from higher levels

Instructions written at a parent level also apply to I24.1.

› From I24 Other acute ischemic heart diseases
Excludes1
  • angina pectoris (I20.-)
  • transient myocardial ischemia in newborn (P29.4)
Excludes2
  • non-ischemic myocardial injury (I5A)

Broader instructions also apply from I20-I25 Ischemic heart diseases and Chapter 9: Diseases of the circulatory system.

Alphabetic index entries

6 entries

Terms in the official ICD-10-CM index that lead to I24.1.

Codes whose notes reference I24.1

MS-DRG v44.0 grouping

All DRGs →

Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.

ICD-9-CM equivalent

Converter →
  • 411.0Postmyocardial infarction syndromeexact

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 I24.1

Is I24.1 billable?

Yes. I24.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can I24.1 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict I24.1 as a principal diagnosis.

Is I24.1 a CC or MCC?

I24.1 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.

What DRG does I24.1 group to?

I24.1 is used in the MS-DRG v44.0 logic for MS-DRG 314 (Other Circulatory System Diagnoses with MCC), MS-DRG 315 (Other Circulatory System Diagnoses with CC) and MS-DRG 316 (Other Circulatory System Diagnoses without CC/MCC). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.

What is the ICD-9 code for I24.1?

The CMS General Equivalence Mappings map I24.1 to ICD-9-CM 411.0.