I00

Billable

Rheumatic fever without heart involvement

I00 is the ICD-10-CM code for Rheumatic fever without heart involvement. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
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.

Includes

  • arthritis, rheumatic, acute or subacute

Excludes1 — not coded here

  • rheumatic fever with heart involvement (I01.0 -I01.9)

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 I00?
I00 is the ICD-10-CM code for "Rheumatic fever without heart involvement". It falls under I00-I99 Diseases of the circulatory system.
Is I00 a billable code?
Yes — I00 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from I00?
Excludes1 (not coded here): rheumatic fever with heart involvement (I01.0 -I01.9).

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

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