ICD-10-CM · Chapter 18 · R00-R99
R25 Abnormal involuntary movements
Excludes 1 (cannot be coded together)
- specific movement disorders (G20-G26)
- stereotyped movement disorders (F98.4)
- tic disorders (F95.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R25..0 | Abnormal head movements | Yes |
| R25..1 | Tremor, unspecified | Yes |
| R25..2 | Cramp and spasm | Yes |
| R25..3 | Fasciculation | Yes |
| R25..8 | Other abnormal involuntary movements | Yes |
| R25..9 | Unspecified abnormal involuntary movements | Yes |
Plain-language terms for this code
The following entries in the US Medical Glossary correspond to ICD-10-CM category R25:
- Tremor — Temblor
- Involuntary Movements — Movimientos involuntarios
Last reviewed: September 2026