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I21.A9

ICD-10-CM 2027 · Billable

Other myocardial infarction type

Sibling codes

  • I21.A1 – Myocardial infarction type 2

Code also

  • complication, if known and applicable, such as: (acute) stent occlusion (T82.897-)
  • (acute) stent stenosis (T82.855-)
  • (acute) stent thrombosis (T82.867-)
  • cardiac arrest due to underlying cardiac condition (I46.2)
  • complication of percutaneous coronary intervention (PCI) (I97.89)
  • occlusion of coronary artery bypass graft (T82.218-)

Code first

  • if applicable, postprocedural myocardial infarction following cardiac surgery (I97.190), or postprocedural myocardial infarction during cardiac surgery (I97.790)

Inclusion terms

  • Myocardial infarction associated with revascularization procedure
  • Myocardial infarction type 3
  • Myocardial infarction type 4a
  • Myocardial infarction type 4b
  • Myocardial infarction type 4c
  • Myocardial infarction type 5

Inherited from I21: Acute myocardial infarction

Excludes2

  • old myocardial infarction (I25.2)
  • postmyocardial infarction syndrome (I24.1)
  • subsequent type 1 myocardial infarction (I22.-)

Includes

  • cardiac infarction
  • coronary (artery) embolism
  • coronary (artery) occlusion
  • coronary (artery) rupture
  • coronary (artery) thrombosis
  • infarction of heart, myocardium, or ventricle
  • myocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset

Use additional code

  • code, if applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Part of: I21.A: Other type of myocardial infarction › I21: Acute myocardial infarction