📋Overview
Torsion dystonia is a legacy term historically used to describe a group of movement disorders characterized by sustained or intermittent muscle contractions causing twisting and repetitive movements or abnormal postures. The modern preferred term is 'dystonia,' which encompasses various types and etiologies. Dystonia is classified based on clinical features and causes, including primary (idiopathic or genetic) and secondary forms. It is a neurological movement disorder involving dysfunction of brain regions controlling movement, particularly the basal ganglia.
Medical codes (for reference)
UMLS CUI: C0013423Codes are provided for reference and interoperability. They are not a diagnosis.
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