G25.4 Drug-induced chorea

Billable ICD-10-CM code, FY2026.

Use additional code

• code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Applies from G25 Other extrapyramidal and movement disorders

Excludes2 (not included here)

• sleep related movement disorders (G47.6-)

MS-DRG index

Defines the logic of DRG(s) 056-057 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 333.5 Other choreas (approximate)

Code annotations containing back-references to G25.4

Back-references to G25

• Type 2 Excludes: F98.4 Stereotyped movement disorders ("movement disorders of organic origin (G20-G25)")
• Type 1 Excludes: R25 Abnormal involuntary movements ("specific movement disorders (G20-G26)")

Diagnosis Index entries for G25.4

• Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) › drug-induced

Nearby codes

• G25 Other extrapyramidal and movement disorders
• G25.0 Essential tremor
• G25.1 Drug-induced tremor
• G25.2 Other specified forms of tremor
• G25.3 Myoclonus
• G25.4 Drug-induced chorea (this code)
• G25.5 Other chorea
• G25.6 Drug induced tics and other tics of organic origin
• G25.61 Drug induced tics
• G25.69 Other tics of organic origin
• G25.7 Other and unspecified drug induced movement disorders