I01.9

Billable

Acute rheumatic heart disease, unspecified

I01.9 is the ICD-10-CM code for Acute rheumatic heart disease, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I01
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What are heart valve diseases? Heart valve disease happens when one or more of your heart valves don't work well. Your heart has four valves: the tricuspid, pulmonary, mitral, and aortic valves. The valves have flaps that open and close. The flaps make sure that blood flows in the right direction through your heart and to the rest of your body. When your heart beats, the flaps open to let blood through. Between…

Read more about Heart Valve Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

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

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code I01.9?
I01.9 is the ICD-10-CM code for "Acute rheumatic heart disease, unspecified". It falls under I00-I99 Diseases of the circulatory system.
Is I01.9 a billable code?
Yes — I01.9 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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