I21.9 - Acute myocardial infarction, unspecified

  • Applicable to Acute myocardial infarction, unspecified
  • The 2025 edition of ICD10-CM I21.9 became effective on October 1, 2024.
  • This is the American ICD10-CM version of I21.9 - other international versions of ICD10 I21.9 may differ.
  • I21.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • Myocardial infarction (acute) NOS

The following codes above I21.9 contain annotation back-references that may be applicable to I21.9:

Chapter: I00-I99 Diseases of the circulatory system

Section: I20-I25 Ischemic heart diseases

Category: I21 Acute myocardial infarction

acute icd 10
 
myocardial icd 10
 
Billable/Specific Code

Browse other similar CM codes

I21.0
 
I21.01
 
I21.02
 
I21.09
 
I21.1
 
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I21.3
 
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I21.9
 
I21.A
 
I21.A1
 
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