ICD-10-CM>R00-R99>R25-R29>R25R25Abnormal involuntary movementsNon-Billable/Non-SpecificType 1 Excludesspecific movement disorders (G20-G26)stereotyped movement disorders (F98.4)tic disorders (F95.-)CodesR25.0Abnormal head movementsR25.1Tremor, unspecifiedR25.2Cramp and spasmR25.3FasciculationR25.8Other abnormal involuntary movementsR25.9Unspecified abnormal involuntary movements