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2 Late-onset cerebellar ataxia
- G11.3 Cerebellar ataxia with defective DNA repair
- Ataxia telangiectasia [Louis-Bar]
- Excludes2: Cockayne's syndrome (Q87.1)
- other disorders of purine and pyrimidine metabolism (E79.-)
- xeroderma pigmentosum (Q82.1)
- G11.4 Hereditary spastic paraplegia
- G11.8 Other hereditary ataxias
- G11.9 Hereditary ataxia, unspecified
- Hereditary cerebellar ataxia NOS
- Hereditary cerebellar degeneration
- Hereditary cerebellar disease
- Hereditary cerebellar syndrome
G12 Spinal muscular atrophy and related syndromes
- G12.0 Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
- G12.1 Other inherited spinal muscular atrophy
- Adult form spinal muscular atrophy
- Childhood form, type II spinal muscular atrophy
- Distal spinal muscular atrophy
- Juvenile form, type III spinal muscular atrophy [Kugelberg-Welander]
- Progressive bulbar palsy of childhood [Fazio-Londe]
- Scapuloperoneal form spinal muscular atrophy
- G12.2 Motor neuron disease
- G12.20 Motor neuron disease, unspecified
- G12.21 Amyotrophic lateral sclerosis
- Progressive spinal muscle atrophy
- G12.22 Progressive bulbar palsy
- G12.29 Other motor neuron disease
- Familial motor neuron disease
- Primary lateral sclerosis
- G12.8 Other spinal muscular atrophies and related syndromes
- G12.9 Spinal muscular atrophy, unspecified
G13 Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
- G13.0 Paraneoplastic neuromyopathy and neuropathy
- Carcinomatous neuromyopathy
- Sensorial paraneoplastic neuropathy [Denny Brown]
- Code first underlying neoplasm (C00-D48)
- G13.1 Other systemic atrophy primarily affecting central nervous system in neoplastic disease
- Paraneoplastic limbic encephalopathy
- Code first underlying neoplasm (C00-D48)
- G13.8 Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere
- Code first underlying disease, such as:
- cerebellar
- Code first underlying disease, such as: