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2025 ICD-10-CM code I24

Other acute ischemic heart diseases

Code also the presence of hypertension (I10-I1A) if applicable. Do not use this code for angina pectoris (I20.-), transient myocardial ischemia in newborn (P29.4), or non-ischemic myocardial injury (I5A).

Modifiers are not typically used with ICD-10-CM codes.

Medical necessity is established by the presence of signs, symptoms, and diagnostic findings consistent with acute ischemic heart disease.

Clinicians should document the specific type of acute ischemic heart disease to ensure accurate coding.

In simple words: This code represents other types of sudden heart issues due to reduced blood flow, excluding conditions like angina and certain types of heart attacks.

This code encompasses acute ischemic heart diseases that are not classified elsewhere, such as coronary thrombosis not resulting in myocardial infarction (I24.0), Dressler's syndrome (I24.1), and other forms of acute ischemic heart disease (I24.8 and I24.9).

Example 1: A patient presents with chest pain and is diagnosed with coronary thrombosis, but there is no evidence of myocardial infarction. The appropriate code is I24.0., A patient develops pericarditis with fever and pleural effusion following a myocardial infarction. This is consistent with Dressler's syndrome and is coded as I24.1., A patient experiences sudden onset of chest pain and shortness of breath, and diagnostic tests reveal acute ischemia without a specific diagnosis. This would be coded as I24.9, acute ischemic heart disease, unspecified.

Documentation should include the type of acute ischemic heart disease, clinical findings, diagnostic test results (such as ECG and cardiac enzyme levels), and any associated conditions like hypertension.

** For accurate coding and billing, it is essential to have a comprehensive clinical picture and understand the specific condition being coded within the I24 category. Consider consulting more specialized resources like iFrameAI for additional details and complex cases.

** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.

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