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2009 ICD-9-CM Diagnosis Code 335
Anterior horn cell disease
2009 ICD-9-CM Diagnosis Code 335.0
Werdnig-hoffmann disease
2009 ICD-9-CM Diagnosis Code 335.1
Spinal muscular atrophy
2009 ICD-9-CM Diagnosis Code 335.10
Spinal muscular atrophy unspecified
2009 ICD-9-CM Diagnosis Code 335.11
Kugelberg-welander disease
2009 ICD-9-CM Diagnosis Code 335.19
Other spinal muscular atrophy
2009 ICD-9-CM Diagnosis Code 335.2
Motor neuron disease
  • disorders of motor neurons which result in atrophy, fasciculation and fibrillations, spasticity, decreased muscle tone, loss of or overactive tendon reflexes, and abnormal extensor reflexes.
2009 ICD-9-CM Diagnosis Code 335.20
Amyotrophic lateral sclerosis
  • progressive degeneration of the neurons that give rise to the corticospinal tract and of the motor cells of the brain stem and spinal cord, resulting in a deficit of upper and lower motor neurons.
2009 ICD-9-CM Diagnosis Code 335.21
Progressive muscular atrophy
  • group of disorders marked by progressive degeneration of motor neurons in the spinal cord resulting in weakness and muscular atrophy, usually without evidence of injury to the corticospinal tracts.
2009 ICD-9-CM Diagnosis Code 335.22
Progressive bulbar palsy
2009 ICD-9-CM Diagnosis Code 335.24
Primary lateral sclerosis
2009 ICD-9-CM Diagnosis Code 335.29
Other motor neuron diseases
2009 ICD-9-CM Diagnosis Code 335.8
Other anterior horn cell diseases
2009 ICD-9-CM Diagnosis Code 335.9
Anterior horn cell disease unspecified