I21

Classification

Category:Diseases of the circulatory system

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Coding Guidance

I21 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Inclusion Terms

cardiac infarction
coronary (artery) embolism
coronary (artery) occlusion
coronary (artery) rupture
coronary (artery) thrombosis
infarction of heart, myocardium, or ventricle
myocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset

Excludes 2

I25.2

old myocardial infarction

I24.1

postmyocardial infarction syndrome

I22

subsequent type 1 myocardial infarction

P04-P96

certain conditions originating in the perinatal period

A00-B99

certain infectious and parasitic diseases

O00-O9A