R25 - Abnormal involuntary movements
Excludes 1:
-specific movement disorders (G20-G26)
-stereotyped movement disorders F98.4)
-tic disorders (F95.-)
R25.0 - Abnormal head movements
R25.1 - Tremor, unspecified
R25.2 - Cramp and spasm
R25.3 - Fasciculation
R25.8 - Other abnormal involuntary movements
R25.9 - Unspecified abnormal involuntary movements