I31.1 is the ICD-10 code for Chronic constrictive pericarditis. 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 I31.1 includes
Conditions and terms that are coded here.
- Concretio cordis
- Pericardial calcification
I31.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I31.1Kronisk konstriktiv perikarditt
DI311Kronisk konstriktiv perikarditis
- DI311AForkalkning i perikardiet
I31.1Pitkäaikainen kurova (konstriktiivinen) sydänpussin tulehdus
I31.1Chronische konstriktive Perikarditis
I31.1Péricardite constrictive chronique
I31.1chronische constrictieve-pericarditis
I31.1Chronic constrictive pericarditis
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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