I25.4
Coronary artery aneurysm and dissection
Clinical Information
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Abnormal balloon- or sac-like dilatation in the wall of coronary vessels. Most coronary aneurysms are due to coronary atherosclerosis, and the rest are due to inflammatory diseases, such as kawasaki disease.
Details
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I25.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
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The 2023 edition of ICD-10-CM I25.4 became effective on October 1, 2022.
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This is the American ICD-10-CM version of I25.4 – other international versions of ICD-10 I25.4 may differ.