I42.3

Billable

Endomyocardial (eosinophilic) disease

I42.3 is the ICD-10-CM code for Endomyocardial (eosinophilic) disease. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I42
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

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…

Read more about Cardiomyopathy at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Endomyocardial (tropical) fibrosis
  • Löffler's endocarditis

Frequently asked questions

What is ICD-10 code I42.3?
I42.3 is the ICD-10-CM code for "Endomyocardial (eosinophilic) disease". It falls under I00-I99 Diseases of the circulatory system.
Is I42.3 a billable code?
Yes — I42.3 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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