Systemic atrophies primarily affecting the central nervous system (G10-G14)

Huntington's disease

Hereditary ataxia

Congenital nonprogressive ataxia

Early-onset cerebellar ataxia

Early-onset cerebellar ataxia, unspecified

Friedreich ataxia

Other early-onset cerebellar ataxia

Late-onset cerebellar ataxia

Cerebellar ataxia with defective DNA repair

Hereditary spastic paraplegia

Hypomyelination - hypogonadotropic hypogonadism - hypodontia

Leukodystrophy with vanishing white matter disease

Other hereditary ataxias

Hereditary ataxia, unspecified

Spinal muscular atrophy and related syndromes

Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]

Other inherited spinal muscular atrophy

Motor neuron disease

Motor neuron disease, unspecified

Amyotrophic lateral sclerosis

Progressive bulbar palsy

Primary lateral sclerosis

Familial motor neuron disease

Progressive spinal muscle atrophy

Other motor neuron disease

Other spinal muscular atrophies and related syndromes

Spinal muscular atrophy, unspecified

Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere

Paraneoplastic neuromyopathy and neuropathy

Other systemic atrophy primarily affecting central nervous system in neoplastic disease

Systemic atrophy primarily affecting the central nervous system in myxedema

Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere

Postpolio syndrome