Dyskinesias

**Definition:** Abnormal involuntary movements which primarily affect the extremities, trunk, or jaw that occur as a manifestation of an underlying disease process. Conditions which feature recurrent or persistent episodes of dyskinesia as a primary manifestation of disease may be referred to as dyskinesia syndromes (see MOVEMENT DISORDERS). Dyskinesias are also a relatively common manifestation of BASAL GANGLIA DISEASES.

**Tree numbers:** - C10.228.662.262 - C10.597.350 - C23.888.592.350

**Synonyms:** - Abnormal Movements