HEREDITARY AND DEGENERATIVE DISEASES OF THE CENTRAL NERVOUS SYSTEM (330-337)
Excludes:
hepatolenticular degeneration (275.1)
multiple sclerosis (340)
other demyelinating diseases of central nervous system (341.0-341.9)
335 Anterior horn cell disease
335.0: Werdnig-Hoffmann disease
Infantile spinal muscular atrophy
Progressive muscular atrophy of infancy
335.1: Spinal muscular atrophy
335.2: Motor neuron disease
335.8: Other anterior horn cell diseases
335.9: Anterior horn cell disease, unspecified
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