| G12.0 | Infantile spinal muscular atrophy, type I [Werdnig-Hoffman] 
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	| G12.1 | Other inherited spinal muscular atrophy Progressive bulbar palsy of childhood [Fazio-Londe]
 Spinal muscular atrophy:
 adult form
 childhood form, type II
 distal
 juvenile form, type III [Kugelberg-Welander]
 scapuloperoneal form
 
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	| G12.2 | Motor neuron disease Familial motor neuron disease
 Lateral sclerosis:
 amyotrophic
 primary
 Progressive:
 bulbar palsy
 spinal muscular atrophy
 
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	| G12.8 | Other spinal muscular atrophies and related syndromes 
 | 
	| G12.9 | Spinal muscular atrophy, unspecified 
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