2006 ICD-9-CM Volume 1 Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > 345 Epilepsy 346 Migraine 347 Cataplexy and narcolepsy 348 Other conditions of brain 349 Other and unspecified disorders of the nervous system 340 Multiple sclerosis 341 Other demyelinating diseases of central nervous system 342 Hemiplegia and hemiparesis 343 Infantile cerebral palsy 344 Other paralytic syndromes