ICD-10-CM Alphabetic Index · FY 2026 21 Entries

Chorea in the ICD-10-CM Index ICD-10-CM

The main term Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) carries 21 index entries pointing to 7 ICD-10-CM codes. The default entry is G25.5, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
21
Index Entries
7
Codes Referenced
G25.5
Default Code
C
Letter
21 of 21 shown
ICD-10-CM

Index Entries Under Chorea 21 entries · 7 codes

Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) G25.5
with
heart involvement I02.0
active or acute (conditions in I01-) I02.0
rheumatic I02.9
with valvular disorder I02.0
rheumatic heart disease (chronic) (inactive) (quiescent) - code to rheumatic heart condition involved
drug-induced G25.4
habit F95.8
hereditary G10
Huntington's G10
hysterical F44.4
minor I02.9
with heart involvement I02.0
progressive G25.5
hereditary G10
rheumatic (chronic) I02.9
with heart involvement I02.0
Sydenham's I02.9
with heart involvement see Chorea, with rheumatic heart disease
nonrheumatic G25.5

The info icon previews the code's description and billable status; the code link opens its full page with all notations.

Related Index Terms

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.