I42 is the ICD-10 code for Cardiomyopathy. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block I30–I52 (Other forms of heart disease) in Chapter IX, Diseases of the circulatory system.
- Code type
- Category (3 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
What I42 excludes
Conditions that look similar but belong under another code.
Subcodes of I42
- I42.0Dilated cardiomyopathy
- I42.1Obstructive hypertrophic cardiomyopathy
- I42.2Other hypertrophic cardiomyopathy
- I42.3Endomyocardial (eosinophilic) disease
- I42.4Endocardial fibroelastosis
- I42.5Other restrictive cardiomyopathy
- I42.6Alcoholic cardiomyopathy
- I42.7Cardiomyopathy due to drugs and other external agents
- I42.8Other cardiomyopathies
- I42.9Cardiomyopathy, unspecified
I42 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DI42Kardiomyopati
I42Sydänlihassairaudet
I42Kardiomyopathie
I42Myocardiopathie
I42cardiomyopathie
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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