ICD10

ICD-10 Code I24.8: Other forms of acute ischemic heart disease

I24.8 is an ICD-10 diagnosis entry used to group records related to Other forms of acute ischemic heart disease. 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. 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).

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

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

Code details

CodeI24.8
SystemICD10
Display nameOther forms of acute ischemic heart disease
ChapterDiseases of the circulatory system (I00-I99)
BlockIschemic heart diseases

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

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.

ICD-10 Code I24.8 for Other forms of acute ischemic heart disease | HealthAssure