Diagnosis Codes Index - Diseases of the nervous system
ICD-9 Index
Diseases of the nervous system (320–359)
Inflammatory diseases of the central nervous system (320-327)
- 320 Bacterial meningitis
- 321 Meningitis due to other organisms
- 322 Meningitis of unspecified cause
- 323 Encephalitis, myelitis, and encephalomyelitis
- 324 Intracranial and intraspinal abscess
- 325 Phlebitis and thrombophlebitis of intracranial venous sinuses
- 326 Late effects of intracranial abscess or pyogenic infection
- 327 Organic sleep disorders
Hereditary and degenerative diseases of the central nervous system (330-337)
- 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
Pain (338)
- 338 Pain, not elsewhere classified
Other headache syndromes (339)
- 339 Other headache syndromes
Other disorders of the central nervous system (340-349)
- 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
Disorders of the peripheral nervous system (350-359)
- 350 Trigeminal nerve disorders
- 351 Facial nerve disorders
- 352 Disorders of other cranial nerves
- 353 Nerve root and plexus disorders
- 354 Mononeuritis of upper limb and mononeuritis multiplex
- 355 Mononeuritis of lower limb
- 356 Hereditary and idiopathic peripheral neuropathy
- 357 Inflammatory and toxic neuropathy
- 358 Myoneural disorders
- 359 Muscular dystrophies and other myopathies