Cellosaurus Disease Terminology mCode Terminology mCode Elixhauser Neurological Movement Disorder Value Set Motor Neuron Disease Amyotrophic Lateral Sclerosis mCode Amyotrophic Lateral Sclerosis C0002736 Lou Gehrig Disease ALS C34373 Amyotrophic lateral sclerosis Disease or Syndrome Amyotrophic Lateral Sclerosis Amyotrophic_Lateral_Sclerosis A neurodegenerative disorder characterized by progressive degeneration of the motor neurons of the central nervous system. It results in weakness and atrophy of the muscles which leads to an inability to initiate and control voluntary movements. Cellosaurus Central Nervous System Degenerative Disorder