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ICD-10-CM Codes
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I00-I99
Diseases of the circulatory system
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I30-I52
Other forms of heart disease
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I42-
Cardiomyopathy
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2021 ICD-10-CM Diagnosis Code I42.0
2021 ICD-10-CM Diagnosis Code I42.0
Dilated cardiomyopathy
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- I42.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM I42.0 became effective on October 1, 2020.
- This is the American ICD-10-CM version of I42.0 - other international versions of ICD-10 I42.0 may differ.
Applicable To- Congestive cardiomyopathy
The following code(s) above
I42.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
I42.0:
- Cardiomyopathy dilated
- Congestive cardiomyopathy
- Dilated cardiomyopathy due to radiation
- Dilated cardiomyopathy secondary to radiation
- Nonischemic congestive cardiomyopathy
- Nonischemic dilated cardiomyopathy
- Nonischemic dilated cardiomyopathy (heart condition)
Clinical Information
- A form of cardiac muscle disease that is characterized by ventricular dilation, ventricular dysfunction, and heart failure. Risk factors include smoking; alcohol drinking; hypertension; infection; pregnancy; and mutations in the lmna gene encoding lamin type a, a nuclear lamina protein.
- Cardiomyopathy which is characterized by dilation and contractile dysfunction of the left and right ventricles. It may be idiopathic, or it may result from a myocardial infarction, myocardial infection, or alcohol abuse. It is a cause of congestive heart failure.
ICD-10-CM I42.0 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 314 Other circulatory system diagnoses with mcc
- 315 Other circulatory system diagnoses with cc
- 316 Other circulatory system diagnoses without cc/mcc
Convert I42.0 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- Cardiomyopathy (familial) (idiopathic) I42.9
ICD-10-CM Diagnosis Code I42.9
Cardiomyopathy, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Cardiomyopathy (primary) (secondary) NOS
- congestive I42.0
- dilated I42.0
ICD-10-CM Codes Adjacent To I42.0
I37.9 Nonrheumatic pulmonary valve disorder, unspecified
I38 Endocarditis, valve unspecified
I39 Endocarditis and heart valve disorders in diseases classified elsewhere
I40.0 Infective myocarditis
I40.1 Isolated myocarditis
I40.8 Other acute myocarditis
I40.9 Acute myocarditis, unspecified
I41 Myocarditis in diseases classified elsewhere
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
I43 Cardiomyopathy in diseases classified elsewhere
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
