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333 Other extrapyramidal disease and abnormal movement disorders

          Includes: other forms of extrapyramidal, basal ganglia, or striatopallidal
           disease
          Excludes: abnormal movements of head NOS (781.0)

333.0 Other degenerative diseases of the basal ganglia

          Atrophy or degeneration:
           Hallervorden-Spatz disease or pigmentary pallidal degeneration
           Olivopontocerebellar degeneration
           Parkinsonian syndrome associated with:
           idiopathic orthostatic hypotension
           symptomatic orthostatic hypotension
           Progressive supranuclear ophthalmoplegia
           Shy-Drager syndrome
           Striatonigral degeneration

333.1 Essential and other specified forms of tremor

          Benign essential tremor Familial tremor
          Use additional E code, if desired, to identify drug, if drug-induced
          Excludes: tremor NOS (781.0)

333.2 Myoclonus

          Familial essential myoclonus Unverricht-Lundborg disease
          Progressive myoclonic epilepsy
          Use additional E code, if desired, to identify drug, if drug-induced

333.3 Tics of organic origin

          Excludes: Gilles de la Tourette's syndrome (307.2)
           habit spasm (307.2)
           tic NOS (307.2)
          Use additional E code, if desired, to identify drug, if drug-induced

333.4 Huntington's chorea

333.5 Other choreas

          Hemiballism(us) Paroxysmal choreo-athetosis
          Excludes: Sydenham's or rheumatic chorea (392.-)
          Use additional E code, if desired, to identify drug, if drug-induced

333.6 Idiopathic torsion dystonia

          Dystonia musculorum deformans or (Schwalbe-) Ziehen-Oppenheim disease

333.7 Symptomatic torsion dystonia

          Athetoid cerebral palsy or Vogt's disease
          Double athetosis
          Use additional E code, if desired, to identify drug, if drug-induced

333.8 Fragments of torsion dystonia

          Blepharospasm Orofacial dyskinesia
          Organic writer' cramp Spasmodic torticollis
          Use additional E code, if desired, to identify drug, if drug-induced

333.9 Other and unspecified

          Restless legs Stiff man syndrome
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