I21.9
Acute myocardial infarction, unspecified
Coding guidance (WHO 2019)
Myocardial infarction (acute) NOS
Sibling codes
I21Acute myocardial infarctionI21.0Acute transmural myocardial infarction of anterior wallI21.1Acute transmural myocardial infarction of inferior wallI21.2Acute transmural myocardial infarction of other sitesI21.3Acute transmural myocardial infarction of unspecified siteI21.4Acute subendocardial myocardial infarction