I42.89

I42.89: Other cardiomyopathies not elsewhere classified

Billable / specific codeICD-10-CM

I42.89 is a billable, specific ICD-10-CM code for other cardiomyopathies not elsewhere classified. It is valid for submission on a claim.

Check I42.89 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above I42.89

Not part of this code, but both may be coded when both are present.

Written on I42: Cardiomyopathy

ischemic cardiomyopathy (I25.5)
peripartum cardiomyopathy (O90.3)
ventricular hypertrophy (I51.7)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I42.89 is named in 34 Medicare coverage policies: 34 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52458Automatic External Defibrillators - Policy Article
A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A52868Billing and Coding: Transesophageal Echocardiography (TEE)
A56391Billing and Coding: Implantable Automatic Defibrillators

Alphabetic index entries that lead here

South African cardiomyopathy syndrome
Becker's›cardiomyopathy
Cardiomyopathy›newborn
Cardiomyopathy›non-ischemic
Cardiomyopathy›obscure of Africa
Cardiomyopathy›specified NEC
Collagenosis, collagen disease›cardiovascular
Myocardiopathy›obscure(African)
Syndrome›South African cardiomyopathy
Newborn›affected by›cardiomyopathy

Code history

addedFY2024-FY2027
Other cardiomyopathies not elsewhere classified

Other codes under I42.8

I42.81Arrhythmogenic cardiomyopathy