I31.9 is the ICD-10 code for Disease of pericardium, unspecified. It is a four-character subcategory of I31 (Other diseases of pericardium), 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
What I31.9 includes
Conditions and terms that are coded here.
- Cardiac tamponade
- Pericarditis (chronic) NOS
I31.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I31.9Uspesifisert sykdom i perikard
DI319Sygdom i perikardiet UNS
- DI319AHjertetamponade
I31.9Määrittämätön sydänpussisairaus
I31.9Krankheit des Perikards, nicht näher bezeichnet
I31.9Maladie du péricarde, sans précision
I31.9ziekte van pericard, niet-gespecificeerd
I31.9Disease of pericardium, 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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