Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes I00-I99 – Diseases of the circulatory system (I00-I99) > 2024 ICD-10-CM Codes I20-I25 – Ischemic heart diseases (I20-I25) > 2024 ICD-10-CM Codes I25 – Chronic ischemic heart disease (I25) > 2024 ICD-10-CM Codes I25.4 – Coronary artery aneurysm and dissection (I25.4)