2026 ICD-10-CM Diagnosis Code I02Rheumatic chorea

ICD-10-CM Codes›I00–I99›I00-I02›I02

ICD-10-CM I02
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I02 is a non-billable ICD-10-CM category code for rheumatic chorea, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I02.0 and I02.9.

Code Identity

ICD-10-CM Code
I02
Billable Status
No — Non-Billable Category
Code Describes
Rheumatic chorea
Short Description
Rheumatic chorea
Same as the full description in the CMS dataset.
Chapter
I00-I02
Acute rheumatic fever

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI00-I02Acute rheumatic fever
CategoryI02Rheumatic chorea
This CodeI02Rheumatic chorea

Specific Coding for Rheumatic choreaOverview

Non-specific codes like I02 require more characters. Use one of these billable codes instead:

  • Use I02.0 for Rheumatic chorea with heart involvement

  • Use I02.9 for Rheumatic chorea without heart involvement

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • Sydenham's chorea

Type 1 Excludes

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

Patient EducationClinical

Movement Disorders

Movement disorders are neurologic conditions that cause problems with movement, such as:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I02Overview

Is I02 (Rheumatic chorea) a billable code?

No. This is a category header that groups the codes for rheumatic chorea, and headers cannot be submitted on claims. Claims for rheumatic chorea need a more specific code from this category, such as I02.0 and I02.9.