I01

Non-billable

Rheumatic fever with heart involvement

I01 is the ICD-10-CM code for Rheumatic fever with heart involvement. It is a non-billable category code — use a more specific child code such as I01.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
5
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

Strep is short for Streptococcus, a type of bacteria. There are several types. Two of them cause most of the strep infections in people: group A and group B. Group A strep causes: Strep throat - a sore, red throat. Your tonsils may be swollen and have white spots on them. Scarlet fever - an illness that follows strep throat. It causes a red rash on the body. Impetigo - a skin infection Toxic shock syndrome…

Read more about Streptococcal Infections at MedlinePlus ↗

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

Excludes1 — not coded here

  • 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.

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?
I01 is the ICD-10-CM code for "Rheumatic fever with heart involvement". It falls under I00-I99 Diseases of the circulatory system.
Is I01 a billable code?
No — I01 is a non-billable header code. Use a more specific child code (such as I01.0) for billing.
What are the subcodes of I01?
I01 has 5 more specific child codes, including I01.0, I01.1, I01.2.
What is excluded from I01?
Excludes1 (not coded here): 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..

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

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