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I02

Non-billable

Rheumatic chorea

I02 is the ICD-10-CM code for Rheumatic chorea. It is a non-billable category code — use a more specific child code such as I02.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
2
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

Movement disorders are neurologic conditions that cause problems with movement, such as: Increased movement that can be voluntary (intentional) or involuntary (unintended) Decreased or slow voluntary movement There are many different movement disorders. Some of the more common types include: Ataxia, the loss of muscle coordination Dystonia , in which involuntary contractions of your muscles cause twisting and…

Read more about Movement Disorders at MedlinePlus ↗

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

Includes

  • •Sydenham's chorea

Excludes1 — not coded here

  • •chorea NOS (G25.5)
  • •Huntington's chorea (G10)

Frequently asked questions

What is ICD-10 code I02?
I02 is the ICD-10-CM code for "Rheumatic chorea". It falls under I00-I99 Diseases of the circulatory system.
Is I02 a billable code?
No — I02 is a non-billable header code. Use a more specific child code (such as I02.0) for billing.
What are the subcodes of I02?
I02 has 2 more specific child codes, including I02.0, I02.9.
What is excluded from I02?
Excludes1 (not coded here): chorea NOS (G25.5); Huntington's chorea (G10).

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

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