Cardiomegaly ICD-10-CM Codes

Uncover the 2023 guide on Cardiomegaly ICD-10-CM codes. Learn about the specific codes, clinical descriptions, and billing implications.

By Emma Hainsworth on Aug 8, 2025.

Fact Checked by RJ Gumban.

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What ICD-10 Codes Are Used for Cardiomegaly?

Cardiomegaly is an enlarged heart, often indicative of underlying heart disease or other medical conditions. Here are the commonly used Cardiomegaly ICD codes:

I51.7: Cardiomegaly
I42.0: Dilated cardiomyopathy
I42.9: Cardiomyopathy, unspecified
I11.0: Hypertensive heart disease with heart failure
I50.9: Heart failure, unspecified

Which Cardiomegaly ICD Codes Are Billable?

Determining which Cardiomegaly ICD codes are billable is essential for healthcare providers. Here's an overview:

I51.7: Yes. This code is used specifically for cardiomegaly.
I42.0: Yes. This code is used for dilated cardiomyopathy, which can result in cardiomegaly.
I42.9: Yes. This code is used for unspecified cardiomyopathy, which may include cardiomegaly.
I11.0: Yes. This code is used for hypertensive heart disease with heart failure, which can lead to cardiomegaly.
I50.9: Yes. This code is used for unspecified heart failure, which can also result in cardiomegaly.

Clinical Information

Cardiomegaly can be a symptom or result of various underlying conditions. Here's what you need to know:

Symptoms may include shortness of breath, fatigue, and irregular heartbeats.
The condition can be caused by hypertension, coronary artery disease, or valve disorders.
Diagnosis involves imaging tests like X-rays, echocardiograms, and MRIs.
Treatment options include medications to control blood pressure and heart rate and surgical interventions like valve replacement.
Early diagnosis and treatment are crucial to manage symptoms and prevent complications like heart failure.

Synonyms Include:

Enlarged heart
Heart enlargement
Hypertrophic heart
Dilated heart
Heart hypertrophy

Commonly asked questions

Common symptoms of cardiomegaly include shortness of breath, fatigue, and irregular heartbeats, which may worsen over time if not managed effectively.

Treatment options for cardiomegaly may include medications to control underlying conditions like hypertension or heart failure, lifestyle changes such as diet and exercise, and surgical interventions like valve replacement for severe cases.

Cardiomegaly is typically diagnosed through imaging tests such as chest X-rays and echocardiograms, which provide detailed images of the heart's structure and function.

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