I34.9 is the ICD-10 code for Nonrheumatic mitral valve disorder, unspecified. It is a four-character subcategory of I34 (Nonrheumatic mitral valve disorders), the most specific level in the WHO edition. It belongs to the block I30–I52 (Other forms of heart disease) in Chapter IX, Diseases of the circulatory system.
- Code type
- Subcategory (4 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
I34.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I34.9Uspesifisert ikke-revmatisk mitralklaffefeil
DI349Ikke-reumatisk mitralklaplidelse UNS
I34.9Määrittämätön hiippaläppävika
I34.9Nichtrheumatische Mitralklappenkrankheit, nicht näher bezeichnet
I34.9Atteinte non rhumatismale de la valvule mitrale, sans précision
I34.9niet-reumatische mitralisklepaandoening, niet-gespecificeerd
I34.9Nonrheumatic mitral valve disorder, 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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