ICD-10-CM > I00-I99 > I00-I02 > I02 I02 Rheumatic chorea Non-Billable/Non-Specific Includes Sydenham's chorea Type 1 Excludes chorea NOS (G25.5)Huntington's chorea (G10) Codes I02.0Rheumatic chorea with heart involvementI02.9Rheumatic chorea without heart involvement