I21.9
Acute myocardial infarction, unspecified
Applicable To
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Myocardial infarction acute) NOS
Clinical Information
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Necrosis of the myocardium, as a result of interruption of the blood supply to the area. It is characterized by a severe and rapid onset of symptoms that may include chest pain, often radiating to the left arm and left side of the neck, dyspnea, sweating, and palpitations.
Details
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I21.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM I21.9 became effective on October 1, 2022.
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This is the American ICD-10-CM version of I21.9 – other international versions of ICD-10 I21.9 may differ.