Episodic vestibular syndrome
Definition
A clinical syndrome of transient vertigo, dizziness, or unsteadiness lasting seconds to hours, occasionally days, and generally including features suggestive of temporary, short-lived vestibular system dysfunction (e.g., nausea, nystagmus, sudden falls). There may also be symptoms or signs suggesting cochlear or central nervous system dysfunction. Episodic vestibular syndrome usually connotes multiple, recurrent events caused by an episodic disorder with repeated spells (triggered or spontaneous), but may initially present after the first event. Disorders typically presenting this syndrome include benign paroxysmal positional vertigo, Menière’s disease, vestibular migraine, panic attacks, hypoglycemia, and transient ischemic attacks affecting central or peripheral vestibular structures.
10 subordinate codes
AB31.0Meniere diseaseAB31.1Vestibular migraineAB31.2Benign positional paroxysmal vertigoAB31.3Superior canal dehiscence syndromeAB31.4Disembarkment syndromeAB31.5Autoimmune inner ear diseaseAB31.6Vestibular paroxysmiaAB31.7Vertiginous syndromes4B4YOther specified diseases of the immune system4B4ZDiseases of the immune system, unspecified