Non-Ischemic Cardiomyopathy ICD-10-CM Codes

Learn about the non-ischemic cardiomyopathy ICD-10-CM codes through this guide.

By Matt Olivares on Aug 8, 2025.

What ICD-10 codes are used for non-ischemic cardiomyopathy?

The most accurate and commonly used ICD-10 code for non-ischemic cardiomyopathy is I42.8: Other cardiomyopathies. Practitioners can use this code for coding, documentation, billing, etc. It's intended for use with types of cardiomyopathies that don't have specific ICD-10-CM codes.

Please note that there is an ICD-10-CM code called I5A: Non-ischemic myocardial injury (non-traumatic). It's not the same as cardiomyopathy, so make sure not to use that for cases of non-ischemic cardiomyopathy.

Is the non-ischemic cardiomyopathy ICD codes billable?

Yes, the non-ischemic cardiomyopathy ICD code, I42.8: Other cardiomyopathies, is valid and billable.

Clinical information

Non-ischemic cardiomyopathy is all other causes of decreased heart function, excluding ones due to heart attacks and blockages in the heart's arteries.
There are multiple causes of non-ischemic cardiomyopathy, including infiltrative processes, viral infections, and drug/inflammation/autoimmune reactions.
Being obese, having diabetes, having coronary heart disease, experiencing a heart attack, having high blood pressure, and having a family history of cardiomyopathy increases the risk of having a non-ischemic cardiomyopathy.
One may have non-ischemic cardiomyopathy if they're exhibiting the signs and experiencing the following symptoms: palpitations, fainting, chest pain, dizziness, shortness of breath, fatigue, weakness, and swelling of the feet and ankles.
Diagnosis involves having the patient undergo an angiogram, echocardiogram, and stress test.
Treatment depends on the heart's damage and the symptoms the patient is experiencing. Commonly, however, the treatments recommended are lifestyle changes and medication.

Synonyms include

NICM
Nonischemic cardiomyopathy
Dilated cardiomyopathy
Dilated, non-ischemic cardiomyopathy
Ventricular hypertrophy
Unspecified cardiomyopathy
Restrictive cardiomyopathy
Peripartum cardiomyopathy
Hypertrophic obstructive cardiomyopathy
Dilated cardiomyopathy secondary

Popular search terms for non-ischemic cardiomyopathy ICD-10-CM codes

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Commonly asked questions

You can use the non-ischemic cardiomyopathy ICD code once you’ve confirmed the diagnosis with examination and tests.

Yes, the non-ischemic cardiomyopathy diagnosis code is billable.

Aside from implanted devices, the most common treatments are medication and lifestyle changes.

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