I09.1 is the ICD-10 code for Rheumatic diseases of endocardium, valve 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 I09.1 includes
Conditions and terms that are coded here.
- Rheumatic:
- endocarditis (chronic)
- valvulitis (chronic)
What I09.1 excludes
Conditions that look similar but belong under another code.
- endocarditis, valve unspecified I38
I09.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I09.1Reumatiska sjukdomar i endokardiet, ospecificerad klaff
I09.1Revmatisk endokardsykdom i uspesifisert klaff
DI091Reumatisk endokarditis uden angivelse af afficeret klap
- DI091AKronisk reumatisk endokarditis
- DI091BKronisk reumatisk hjerteklapsygdom
I09.1Reumakuumeen myöhäiskomplikaationa ilmenevä sydämen sisäkalvon sairaus
I09.1Rheumatische Krankheiten des Endokards, Herzklappe nicht näher bezeichnet
I09.1Endocardite rhumatismale, valvule non précisée
I09.1reumatische ziekten van endocard, klep niet-gespecificeerd
I09.1Rheumatic diseases of endocardium, valve 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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