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 8 Other specified degenerative diseases of basal ganglia
 * Calcification of basal ganglia
 * G23.9 Degenerative disease of basal ganglia, unspecified

G24 Dystonia

 * Includes dyskinesia
 * Excludes2: athetoid cerebral palsy (G80.3)
 * G24.0 Drug induced dystonia
 * Code first (T36-T50) to identify drug
 * G24.01 Drug induced subacute dyskinesia
 * Drug induced blepharospasm
 * Drug induced orofacial dyskinesia
 * Neuroleptic induced tardive dyskinesia
 * Tardive dyskinesia
 * G24.02 Drug induced acute dystonia
 * Acute dystonic reaction to drugs
 * Neuroleptic induced acute dystonia
 * G24.09 Other drug induced dystonia
 * G24.1 Genetic torsion dystonia
 * Dystonia deformans progressiva
 * Dystonia musculorum deformans
 * Familial torsion dystonia
 * Idiopathic familial dystonia
 * Idiopathic (torsion) dystonia NOS
 * (Schwalbe-) Ziehen-Oppenheim disease
 * G24.2 Idiopathic nonfamilial dystonia
 * G24.3 Spasmodic torticollis
 * Excludes1: congenital torticollis (Q68.0)
 * hysterical torticollis (F44.4)
 * ocular torticollis (R29.891)
 * psychogenic torticollis (F45.8)
 * torticollis NOS (M43.6)
 * traumatic recurrent torticollis (S13.4)
 * G24.4 Idiopathic orofacial dystonia
 * Orofacial dyskinesia
 * Excludes1: drug induced orofacial dyskinesia (G24.01)
 * G24.5 Blepharospasm
 * Excludes1: drug induced blepharospasm (G24.01)
 * G24.8 Other dystonia
 * Acquired torsion dystonia NOS
 * G24.9 Dystonia, unspecified
 * Dyskinesia NOS

G25 Other extrapyramidal and movement disorders

 * Excludes2: sleep related movement disorders (G47.6-)
 * G25.0 Essential tremor
 * Familial tremor
 * Excludes1: