- 340 Multiple sclerosis
- 341 Other demyelinating diseases of central nervous system
- 342 Hemiplegia and hemiparesis
- 343 Infantile cerebral palsy
- 344 Other paralytic syndromes
- 345 Epilepsy
- 346 Migraine
- 347 Cataplexy and narcolepsy
- 348 Other conditions of brain
- 349 Other and unspecified disorders of the nervous system
