ICD-10-CM > G00-G99 > G10-G14 > G12 G12 Spinal muscular atrophy and related syndromes Non-Billable/Non-Specific Codes G12.0Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]G12.1Other inherited spinal muscular atrophyG12.2Motor neuron diseaseG12.20Motor neuron disease, unspecifiedG12.21Amyotrophic lateral sclerosisG12.22Progressive bulbar palsyG12.23Primary lateral sclerosisG12.24Familial motor neuron diseaseG12.25Progressive spinal muscle atrophyG12.29Other motor neuron diseaseG12.8Other spinal muscular atrophies and related syndromesG12.9Spinal muscular atrophy, unspecified