• 330 Cerebral degenerations usually manifest in childhood
  • 331 Other cerebral degenerations
  • 332 Parkinson's disease
  • 333 Other extrapyramidal disease and abnormal movement disorders
  • 334 Spinocerebellar disease
  • 335 Anterior horn cell disease
  • 336 Other diseases of spinal cord
  • 337 Disorders of the autonomic nervous system
  • 338 Pain, not elsewhere classified