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ICD-10 diagnosis code

I09.9 Rheumatic heart disease, unspecified

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I09.9 is the ICD-10 code for Rheumatic heart disease, unspecified. It is a four-character subcategory of I09 (Other rheumatic heart diseases), the most specific level in the WHO edition. It belongs to the block I05–I09 (Chronic rheumatic 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 I09.9 includes

Conditions and terms that are coded here.

  • Rheumatic:
    • carditis
    • heart failure

What I09.9 excludes

Conditions that look similar but belong under another code.

  • rheumatoid carditis M05.3

I09.9 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

I09.9Reumatisk hjärtsjukdom, ospecificerad

NorwayICD-10-NO

I09.9Uspesifisert revmatisk hjertesykdom

DenmarkICD-10-DK

DI099Reumatisk hjertesygdom UNS

  • DI099AReumatisk hjertesvigt
FinlandICD-10-FI

I09.9Määrittämätön reumakuumeen myöhäiskomplikaationa ilmenevä sydänsairaus

GermanyICD-10-GM

I09.9Rheumatische Herzkrankheit, nicht näher bezeichnet

FranceICD-10-FR

I09.9Cardiopathie rhumatismale, sans précision

NetherlandsICD-10-NL

I09.9reumatische hartziekte, niet-gespecificeerd (chronisch)

United StatesICD-10-CM

I09.9Rheumatic heart disease, unspecified

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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