I01.9

I01.9: Acute rheumatic heart disease, unspecified

Billable / specific codeICD-10-CM

I01.9 is a billable, specific ICD-10-CM code for acute rheumatic heart disease, unspecified. It is valid for submission on a claim.

Check I01.9 with the rest of the claim: free scrubber

Inclusion terms

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

Any condition in I00 with unspecified type of heart involvement
Rheumatic carditis, acute
Rheumatic heart disease, active or acute

Excludes1 inherited from the categories above I01.9

A category’s note binds every code beneath it.

Written on I01: Rheumatic fever with heart involvement

chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process.

Other codes that can never be billed with I01.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

I00Rheumatic fever without heart involvement

Risk adjustment

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

Medicare coverage

I01.9 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A56625Billing and Coding: Echocardiography
A56781Billing and Coding: Transthoracic Echocardiography (TTE)
A57179Billing and Coding: Transesophageal Echocardiogram

Alphabetic index entries that lead here

Bouillaud's disease or syndrome(rheumatic heart disease)
Disease, diseased›Bouillaud's(rheumatic heart disease)
Syndrome›Bouillaud's
Disease, diseased›heart›rheumatic›active or acute
Disease, diseased›heart›with›rheumatic fever›active

Code history

Unchanged in every release from FY2024 to FY2027.