ICD-10-CM Book 2027 Edition

Chapters  /  Chapter 9  /  I30-I5A  /  I42
I42 Cardiomyopathy
Includes myocardiopathy
CodeFirst pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)
Excludes2 ischemic cardiomyopathy (I25.5)
peripartum cardiomyopathy (O90.3)
ventricular hypertrophy (I51.7)
I42.0 Dilated cardiomyopathy
I42.00 Dilated cardiomyopathy, unspecified
Congestive cardiomyopathy, NOS
I42.01 Familial-genetic dilated cardiomyopathy
I42.09 Other dilated cardiomyopathy
Other nonfamilial dilated cardiomyopathy
I42.1 Obstructive hypertrophic cardiomyopathy
Hypertrophic subaortic stenosis (idiopathic)
I42.2 Other hypertrophic cardiomyopathy
Nonobstructive hypertrophic cardiomyopathy
I42.3 Endomyocardial (eosinophilic) disease
Endomyocardial (tropical) fibrosis
Löffler's endocarditis
I42.4 Endocardial fibroelastosis
Congenital cardiomyopathy
Elastomyofibrosis
I42.5 Other restrictive cardiomyopathy
Constrictive cardiomyopathy NOS
I42.6 Alcoholic cardiomyopathy
CodeAlso presence of alcoholism (F10.-)
I42.7 Cardiomyopathy due to drug and external agent
CodeFirst poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
UseAdditionalCode code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
I42.8 Other cardiomyopathies
I42.81 Arrhythmogenic cardiomyopathy
I42.89 Other cardiomyopathies not elsewhere classified
I42.9 Cardiomyopathy, unspecified
Cardiomyopathy (primary) (secondary) NOS