I24.9 – Acute ischemic heart disease, unspecified
ICD-10-CM 2027 diagnosis code · Ischemic heart diseases
ICD-10-CM code
I24.9
- Code
I24.9(claims format:I249)- Description
- Acute ischemic heart disease, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I20-I25 Ischemic heart diseases
- Parent codes
- I24
Notes for I24.9
Excludes1 (not coded here):
- ischemic heart disease (chronic) NOS (I25.9)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I24 – Other acute ischemic heart diseases
Excludes2 (not included here):
- non-ischemic myocardial injury (I5A)
Block I20-I25
Index terms for I24.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I24
Frequently asked questions
What is ICD-10 code I24.9?
I24.9 is the ICD-10-CM code for acute ischemic heart disease, unspecified, in the block I20-I25 (Ischemic heart diseases).
Is I24.9 a billable code?
Yes. I24.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I24.9 belong to?
It belongs to category I24 – Other acute ischemic heart diseases.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.