333.0 Other degenerative diseases of the basal ganglia
Atrophy or degeneration:
olivopontocerebellar [Déjérine-Thomas syndrome]
pigmentary pallidal [Hallervorden-Spatz disease] striatonigral
Parkinsonian syndrome associated with:
idiopathic orthostatic hypotension
symptomatic orthostatic hypotension
Progressive supranuclear ophthalmoplegia
Shy-Drager syndrome