I42Cardiomyopathy
ICD-10-CM category (non-billable header) code — part of Other forms of heart disease (I30-I5A)
Coding Notes
Excludes2 (not part of this condition — may code both)
- ischemic cardiomyopathy (I25.5)
- peripartum cardiomyopathy (O90.3)
- ventricular hypertrophy (I51.7)
Code First
- pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)
Subcategories (10)
- I42.0 Dilated cardiomyopathy
- I42.1 Obstructive hypertrophic cardiomyopathy
- I42.2 Other hypertrophic cardiomyopathy
- I42.3 Endomyocardial (eosinophilic) disease
- I42.4 Endocardial fibroelastosis
- I42.5 Other restrictive cardiomyopathy
- I42.6 Alcoholic cardiomyopathy
- I42.7 Cardiomyopathy due to drug and external agent
- I42.8 Other cardiomyopathies
- I42.9 Cardiomyopathy, unspecified