ICD 10 CM Codes

I21.3 ST elevation (STEMI) myocardial infarction of unspecified site
Billable Code  is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
GEMS
ICD-10-CM I21.3 converts approximately to:ICD-9-CM
2018 ICD-9-CM 410.91 Acute myocardial infarction of unspecified site, initial episode of care
Alternate Description
Acute transmural myocardial infarction of unspecified site
Transmural (Q wave) myocardial infarction NOS
Type 1 ST elevation myocardial infarction of unspecified site
ICD-10-CM Index Entry
ICD-10-CM Index entries containing back-references to ICD-10-CM '.I21.3.'
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less)
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less); Q wave (see also, Infarct, myocardium, by site)
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less); ST elevation (STEMI)
Infarct, infarction; myocardium, myocardial (acute) (with stated duration of 4 weeks or less); transmural
STEMI