ICD-10-CM code "I21.9": Acute myocardial infarction, unspecified (2024)

Type 2certain conditions originating in the perinatal period (P04-P96)

Type 2certain infectious and parasitic diseases (A00-B99)

Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

Type 2endocrine, nutritional and metabolic diseases (E00-E88)

Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

Type 2neoplasms (C00-D49)

Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Type 2systemic connective tissue disorders (M30-M36)

Type 2transient cerebral ischemic attacks and related syndromes (G45.-)

Type 2old myocardial infarction (I25.2)

Type 2postmyocardial infarction syndrome (I24.1)

Type 2subsequent type 1 myocardial infarction (I22.-)

Includescardiac infarction

Includescoronary (artery) embolism

Includescoronary (artery) occlusion

Includescoronary (artery) rupture

Includescoronary (artery) thrombosis

Includesinfarction of heart, myocardium, or ventricle

Includesmyocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset