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ICD-10 diagnosis code

I21.1 Acute transmural myocardial infarction of inferior wall

This page in Swedish

I21.1 is the ICD-10 code for Acute transmural myocardial infarction of inferior wall. 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 I21.1 includes

Conditions and terms that are coded here.

  • Transmural infarction (acute)(of):
    • diaphragmatic wall
    • inferior (wall) NOS
    • inferolateral
    • inferoposterior

I21.1 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

I21.1Akut transmural diafragmal infarkt

NorwayICD-10-NO

I21.1Akutt transmuralt hjerteinfarkt i nedre vegg

  • I21.11Akutt transmuralt hjerteinfarkt type 1 i nedre vegg
  • I21.12Akutt transmuralt hjerteinfarkt type 2 i nedre vegg
  • I21.13Akutt transmuralt hjerteinfarkt type 3 i nedre vegg
  • I21.15Akutt transmuralt hjerteinfarkt type 5 i nedre vegg
  • I21.1AAkutt transmuralt hjerteinfarkt type 4a i nedre vegg
  • I21.1BAkutt transmuralt hjerteinfarkt type 4b i nedre vegg
DenmarkICD-10-DK

DI211Inferiort eller posteriort akut myokardieinfarkt med Q-taksudvikling

  • DI211AInferiort eller posteriort non-ST-elevations akut myokardieinfarkt med Q-taksudvikling
  • DI211BInferiort eller posteriort ST-elevations akut myokardieinfarkt med Q-taksudvikling
FinlandICD-10-FI

I21.1Alaseinän ST-nousuinfarkti (STEMI)

  • I21.10Alaseinän ST-nousuinfarkti, ei osoitettavaa sepelvaltimon ahtaumaa
  • I21.11Alaseinän ST-nousuinfarkti, ahtautunut sepelvaltimo
  • I21.12Alaseinän ST-nousinfarkti, sepelvaltimon trombi
  • I21.13Alaseinän ST-nousuinfakti, sepelvaltimon embolus
  • I21.18Alaseinän ST-nousuinfarkti, sepelvaltimon muu tukos
  • I21.19Alaseinän ST-nousuinfarkti, määrittämätön sepelvaltimotilanne
GermanyICD-10-GM

I21.1Akuter transmuraler Myokardinfarkt der Hinterwand

FranceICD-10-FR

I21.1Infarctus transmural aigu du myocarde, de la paroi inférieure

NetherlandsICD-10-NL

I21.1acuut transmuraal myocardinfarct van onderwand

United StatesICD-10-CM

Listed through more specific codes:

  • I21.11ST elevation (STEMI) myocardial infarction involving right coronary artery
  • I21.19ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall

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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