I21.3 - ST elevation (STEMI) myocardial infarction of unspecified site

  • Applicable to ST elevation (STEMI) myocardial infarction of unspecified site
  • The 2025 edition of ICD10-CM I21.3 became effective on October 1, 2024.
  • This is the American ICD10-CM version of I21.3 - other international versions of ICD10 I21.3 may differ.
  • I21.3 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • Acute transmural myocardial infarction of unspecified site
  • Transmural (Q wave) myocardial infarction NOS
  • Type 1 ST elevation myocardial infarction of unspecified site

The following codes above I21.3 contain annotation back-references that may be applicable to I21.3:

Chapter: I00-I99 Diseases of the circulatory system

Section: I20-I25 Ischemic heart diseases

Category: I21 Acute myocardial infarction

infarction icd 10
 
elevation icd 10
 
myocardial icd 10
 
Billable/Specific Code

Browse other similar CM codes

I21.0
 
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