Acute ischemic heart disease, unspecified
- I24.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM I24.9 became effective on October 1, 2024.
- This is the American ICD-10-CM version of I24.9 – other international versions of ICD-10 I24.9 may differ.
Type 1 Excludes
- ischemic heart disease (chronic) NOS (I25.9)
The following code(s) above I24.9 contain annotation back-references
that may be applicable to I24.9:
- I00-I99 Diseases of the circulatory system
- I20-I25 Ischemic heart diseases
- I24 Other acute ischemic heart diseases
Approximate Synonyms
- Acute coronary syndrome
ICD-10-CM I24.9 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 311 Angina pectoris
Convert I24.9 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to I24.9:
- Cyanotic heart disease I24.9
- Ischemia, ischemicI99.8
- Syndrome – see also Disease
- coronary
- acute NEC I24.9
- coronary