ICD10
ICD-10 Code I24.8: Other forms of acute ischemic heart disease
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents other forms of acute ischemic heart disease in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I20-I25Ischemic heart diseases
category
I24Other acute ischemic heart diseases
currentI24
Official coding notes
Excludes1 (do not code together)
- myocardial infarction due to demand ischemia (I21.A1)
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
CardiologistGeneral PhysicianENT Specialist
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 194823009high
Acute coronary insufficiency
Source: SNOMED International ICD-10 map
SNOMED_CT 927568011000119108high
Acute microvascular ischemia of myocardium
Source: SNOMED International ICD-10 map
SNOMED_CT 70422006high
Acute subendocardial infarction
Source: SNOMED International ICD-10 map
SNOMED_CT 46109009high
Subendocardial ischemia
Source: SNOMED International ICD-10 map
SNOMED_CT 315026000high
Transient myocardial ischaemia
Source: SNOMED International ICD-10 map
SNOMED_CT 1365968005high
Subsequent myocardial infarction due to demand ischemia
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
I24.8
Replacement codes
I24.81 — Acute coronary microvascular dysfunctionI24.89 — Other forms of acute ischemic heart disease
Common synonyms
Other forms of acute ischemic heart disease
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.