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I42.7 - Cardiomyopathy due to drug and external agent


The ICD 10 Code for Cardiomyopathy due to drug and external agent is listed as I42.7.
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: I42.7
Description: Cardiomyopathy due to drug and external agent
  • Code first poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4 or 6)
  • Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Diagnostic Related Groups
(MS-DRG v30.0)
314 - Other Circulatory System Diagnoses W Mcc
315 - Other Circulatory System Diagnoses W Cc
316 - Other Circulatory System Diagnoses W/o Cc/mcc
Chapter Diseases of the circulatory system (I00-I99)
Block Other forms of heart disease (I30-I52)
Parent I42 - Cardiomyopathy
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 425.9 - Secondary cardiomyopathy, unspecified (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I42.7:
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
I42.8 - Other cardiomyopathies
I42.9 - Cardiomyopathy, unspecified