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I42 - Cardiomyopathy


The ICD 10 Code for Cardiomyopathy is listed as I42.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I42
Description: Cardiomyopathy
  • Includes: myocardiopathy
  • Code first pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)
  • Excludes1: ischemic cardiomyopathy (I25.5)
  • peripartum cardiomyopathy (O90.3)
  • Excludes2: ventricular hypertrophy (I51.7)
Chapter Diseases of the circulatory system (I00-I99)
ICD-10-CM Children (deeper level / typically more specific) of I42:
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