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ICD-10-CM Code I42.3
Endomyocardial (eosinophilic) disease

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

I42.3 is a billable ICD code used to specify a diagnosis of endomyocardial (eosinophilic) disease. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code I423 is used to code Loeffler endocarditis

Loeffler endocarditis is a form of restrictive cardiomyopathy which affects the endocardium and occurs with white blood cell proliferation, specifically of eosinophils. Restrictive cardiomyopathy is defined as a disease of the heart muscle which results in impaired filling of the heart ventricles during diastole.

Specialty: Cardiology
MeSH Code: D017681
ICD 9 Code: 421.0
Source: Wikipedia

Coding Notes for I42.3 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Endomyocardial (tropical) fibrosis
Löffler's endocarditis

MS-DRG Mapping

  • DRG Group #314-316 - Other circulatory system diagnoses with MCC.
  • DRG Group #314-316 - Other circulatory system diagnoses with CC.
  • DRG Group #314-316 - Other circulatory system diagnoses without CC or MCC.

Related Concepts SNOMET-CT

  • Primary endomyocardial fibrosis restrictive cardiomyopathy (disorder)

Coding Advice SNOMET-CT

  • Consider additional code to identify specific condition or disease

ICD-10-CM Alphabetical Index References for 'I42.3 - Endomyocardial (eosinophilic) disease'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I42.3. Click on any term below to browse the alphabetical index.

Endomyocardiopathy, South African (I42.3)
Endomyofibrosis (I42.3)


Endomyocardial fibrosis (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code I42.3 and a single ICD9 code, 425.0 is an approximate match for comparison and conversion purposes.

Parent Code: I42 - Cardiomyopathy

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I423