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ICD-10 diagnosis code

I21.2 Acute transmural myocardial infarction of other sites

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I21.2 is the ICD-10 code for Acute transmural myocardial infarction of other sites. It is a four-character subcategory of I21 (Acute myocardial infarction), the most specific level in the WHO edition. It belongs to the block I20–I25 (Ischaemic heart diseases) in Chapter IX, Diseases of the circulatory system.

Code type
Subcategory (4 characters)
Chapter
IX · I00–I99
Classification
WHO ICD-10, 2019 version

What I21.2 includes

Conditions and terms that are coded here.

  • Transmural infarction (acute)(of):
    • apical-lateral
    • basal-lateral
    • high lateral
    • lateral (wall) NOS
    • posterior (true)
    • posterobasal
    • posterolateral
    • posteroseptal
    • septal NOS

I21.2 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

I21.2Akut transmural hjärtinfarkt med andra lokalisationer

NorwayICD-10-NO

I21.2Akutt transmuralt hjerteinfarkt med annen spesifisert lokalisasjon

  • I21.21Akutt transmuralt hjerteinfarkt type 1 med annen spesifisert lokalisasjon
  • I21.22Akutt transmuralt hjerteinfarkt type 2 med annen spesifisert lokalisasjon
  • I21.23Akutt transmuralt hjerteinfarkt type 3 med annen spesifisert lokalisasjon
  • I21.25Akutt transmuralt hjerteinfarkt type 5 med annen spesifisert lokalisasjon
  • I21.2AAkutt transmuralt hjerteinfarkt type 4a med annen spesifisert lokalisasjon
  • I21.2BAkutt transmuralt hjerteinfarkt type 4b med annen spesifisert lokalisasjon
FinlandICD-10-FI

I21.2Muun alueen ST-nousuinfarkti (STEMI)

  • I21.20Muun alueen ST-nousuinfarkti, ei osoitettavaa sepelvaltimon ahtaumaa
  • I21.21Muun alueen ST-nousuinfarkti, ahtautunut sepelvaltimo
  • I21.22Muun alueen ST-nousinfarkti, sepelvaltimon trombi
  • I21.23Muun alueen ST-nousuinfakti, sepelvaltimon embolus
  • I21.28Muun alueen ST-nousuinfarkti, sepelvaltimon muu tukos
  • I21.29Muun alueen ST-nousuinfarkti, määrittämätön sepelvaltimotilanne
GermanyICD-10-GM

I21.2Akuter transmuraler Myokardinfarkt an sonstigen Lokalisationen

FranceICD-10-FR

I21.2Infarctus transmural aigu du myocarde d'autres localisations

NetherlandsICD-10-NL

I21.2acuut transmuraal myocardinfarct van overige gespecificeerde lokalisaties

United StatesICD-10-CM

Listed through more specific codes:

  • I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
  • I21.29ST elevation (STEMI) myocardial infarction involving other sites

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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