U.S. ICD-10-CM · FY 2027

I02 ICD-10-CM Code: Rheumatic chorea

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

I02

Rheumatic chorea

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where I02 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Acute rheumatic fever (I00-I02)

  3. 3

    Category I02

    Rheumatic chorea

  4. 4

    Code I02

    Rheumatic chorea

More specific choices

Codes under I02

I02 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I02.

Code first

No “code first” instruction is listed for I02.

Use additional code

No “use additional code” instruction is listed for I02.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for I02.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code I02 mean?

I02 is the FY 2027 U.S. ICD-10-CM code for “Rheumatic chorea.”

Is I02 a billable or specific ICD-10-CM code?

No. I02 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is I02 located in ICD-10-CM?

I02 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Acute rheumatic fever (I00-I02) (I00–I02), under category I02, Rheumatic chorea.

What coding notes are listed for I02?

No inclusion terms are listed for I02 in this reference record. No code-first instruction is listed. Excludes1 notes: chorea NOS (G25.5); Huntington's chorea (G10). No Excludes2 note is listed.

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