2006 ICD-9-CM Volume 1 Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > 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 and unspecified site 356 Hereditary and idiopathic peripheral neuropathy 357 Inflammatory and toxic neuropathy 358 Myoneural disorders 359 Muscular dystrophies and other myopathies