Neurology

Migraine, unspecified, not intractable, without status migrainosus

Tension-type headache, unspecified, intractable

Epilepsy, unspecified, not intractable, without status epilepticus

Unspecified convulsions

Multiple sclerosis

Parkinson's disease

Polyneuropathy, unspecified

Restless legs syndrome

Alzheimer's disease, unspecified

Mild cognitive impairment of uncertain or unknown etiology

Transient cerebral ischemic attack, unspecified

Unspecified sequelae of cerebral infarction

Encephalopathy, unspecified

Obstructive sleep apnea (adult) (pediatric)

Insomnia, unspecified

Dizziness and giddiness

Paresthesia of skin

Postconcussional syndrome

Syncope and collapse

Hemiplegia, unspecified affecting unspecified side