I51.89

I51.89: Other ill-defined heart diseases

Billable / specific codeICD-10-CM

I51.89 is a billable, specific ICD-10-CM code for other ill-defined heart diseases. It is valid for submission on a claim.

Check I51.89 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Carditis (acute)(chronic)
Pancarditis (acute)(chronic)

Excludes2 inherited from the categories above I51.89

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

Written on I51: Complications and ill-defined descriptions of heart disease

heart disease specified as rheumatic (I00-I09)

Risk adjustment

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

Medicare coverage

I51.89 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A52868Billing and Coding: Transesophageal Echocardiography (TEE)
A56476Billing and Coding: Cardiac Radionuclide Imaging
A56494Billing and Coding: Cardiovascular Nuclear Medicine

Alphabetic index entries that lead here

Carditis(acute) (bacterial) (chronic) (subacute)
Pancarditis(acute) (chronic)
Asynergia, asynergy›ventricular
Disorder›cardiac, functional
Dysfunction›heart
Dysfunction›papillary muscle
Hemorrhage, hemorrhagic›heart
Hyperkinesia, hyperkinetic›heart
Disease, diseased›heart›functional
Displacement, displaced›heart›acquired
Incompetency, incompetent, incompetence›chronotropic›with›left ventricular dysfunction

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I51.8

I51.81Takotsubo syndrome