ICD-10-CM code "I21": Acute myocardial infarction (2024)

Overview

ICD-10 CodeI21
DescriptionAcute myocardial infarction
Hierarchy
  1. Diseases of the circulatory system (I00-I99)
  2. Ischemic heart diseases (I20-I25)
  3. Acute myocardial infarction (I21)
Billable statusNon billable code

Excludes

  1. Diseases of the circulatory system (I00-I99)

    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.-)

  2. Ischemic heart diseases (I20-I25)
  3. Acute myocardial infarction (I21)

    Type 2old myocardial infarction (I25.2)

    Type 2postmyocardial infarction syndrome (I24.1)

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

Includes

  1. Diseases of the circulatory system (I00-I99)
  2. Ischemic heart diseases (I20-I25)
  3. Acute myocardial infarction (I21)

    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

Subcategories