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I21.19

ICD-10-CM 2027 · Billable

ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall

Sibling codes

  • I21.11 – ST elevation (STEMI) myocardial infarction involving right coronary artery

Excludes2

  • ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery (I21.21)

Inclusion terms

  • Acute transmural myocardial infarction of inferior wall
  • Inferolateral transmural (Q wave) infarction (acute)
  • Transmural (Q wave) infarction (acute) (of) diaphragmatic wall
  • Transmural (Q wave) infarction (acute) (of) inferior (wall) NOS

Inherited from I21.1: ST elevation (STEMI) myocardial infarction of inferior wall

Inclusion terms

  • Type 1 ST elevation myocardial infarction of inferior wall

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: I21.1: ST elevation (STEMI) myocardial infarction of inferior wall › I21: Acute myocardial infarction