All
 C16 Congenital, Hereditary, and Neonatal Diseases and Abnormalities D009358 +
 C16.320 Genetic Diseases, Inborn D030342 +
 C16.320.400 Heredodegenerative Disorders, Nervous System D020271 +
 C16.320.400.780 Spinocerebellar Degenerations D013132 +
 C16.320.400.780.500 Myoclonic Cerebellar Dyssynergia D002527 
 C16.320.400.780.200 Friedreich Ataxia D005621 
 C16.320.400.780.750 Olivopontocerebellar Atrophies D009849 
 C16.320.400.780.875 Spinocerebellar Ataxias D020754 +