ICD-10-CM Code I42.7

Cardiomyopathy due to drug and external agent

Version 2020 Billable Code

Valid for Submission

I42.7 is a billable code used to specify a medical diagnosis of cardiomyopathy due to drug and external agent. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code I42.7 might also be used to specify conditions or terms like cardiomyopathy caused by drug or chronic myocardial disorder due to chemical or external agent or cobalt cardiomyopathy or dilated cardiomyopathy secondary to drug or dilated cardiomyopathy secondary to toxic reaction.

ICD-10:I42.7
Short Description:Cardiomyopathy due to drug and external agent
Long Description:Cardiomyopathy due to drug and external agent

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code I42.7:

Code First

Code First
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
  • poisoning due to drug or toxin, if applicable T36 T65

Use Additional Code

Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
  • code for adverse effect, if applicable, to identify drug T36 T50

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code I42.7 are found in the index:


Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Cardiomyopathy caused by drug
  • Chronic myocardial disorder due to chemical or external agent
  • Cobalt cardiomyopathy
  • Dilated cardiomyopathy secondary to drug
  • Dilated cardiomyopathy secondary to toxic reaction

Diagnostic Related Groups

The ICD-10 code I42.7 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 314 - OTHER CIRCULATORY SYSTEM DIAGNOSES WITH MCC
  • 315 - OTHER CIRCULATORY SYSTEM DIAGNOSES WITH CC
  • 316 - OTHER CIRCULATORY SYSTEM DIAGNOSES WITHOUT CC/MCC

Convert I42.7 to ICD-9

  • 425.9 - Second cardiomyopath NOS (Approximate Flag)

Code Classification

  • Diseases of the circulatory system (I00–I99)
    • Other forms of heart disease (I30-I52)
      • Cardiomyopathy (I42)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Cardiomyopathy

Cardiomyopathy is the name for diseases of the heart muscle. These diseases enlarge your heart muscle or make it thicker and more rigid than normal. In rare cases, scar tissue replaces the muscle tissue.

Some people live long, healthy lives with cardiomyopathy. Some people don't even realize they have it. In others, however, it can make the heart less able to pump blood through the body. This can cause serious complications, including

  • Heart failure
  • Abnormal heart rhythms
  • Heart valve problems
  • Sudden cardiac arrest

Heart attacks, high blood pressure, infections, and other diseases can all cause cardiomyopathy. Some types of cardiomyopathy run in families. In many people, however, the cause is unknown. Treatment might involve medicines, surgery, other medical procedures, and lifestyle changes.

NIH: National Heart, Lung, and Blood Institute


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