I42 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Cardiomyopathy.
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Myocardiopathy
Pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)
Dilated cardiomyopathy
Obstructive hypertrophic cardiomyopathy
Other hypertrophic cardiomyopathy
Endomyocardial (eosinophilic) disease
Endocardial fibroelastosis
Other restrictive cardiomyopathy
Alcoholic cardiomyopathy
Cardiomyopathy due to drug and external agent
Other cardiomyopathies
Cardiomyopathy, unspecified
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