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ALL MEDICAL CODES IN CATEGORY I21: Acute myocardial infarction

2025 ICD-10-CM code I21.1

ST elevation myocardial infarction (STEMI) of the inferior wall. This indicates acute damage to the heart muscle due to blocked blood flow in the arteries supplying the lower portion of the heart.

2025 ICD-10-CM code I21.21

ST elevation myocardial infarction (STEMI) involving the left circumflex coronary artery.

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2025 ICD-10-CM code I21.1

2025 ICD-10-CM code I21.21