A83.2

Approximate Synonyms

• Eastern equine encephalitis virus infection

Clinical Information

• A form of arboviral encephalitis primarily affecting equines) endemic to eastern regions of north america. The causative organism encephalomyelitis virus, eastern equine) may be transmitted to humans via the bite of aedes mosquitoes. Clinical manifestations include the acute onset of fever, headache, altered mentation, and seizures followed by coma. The condition is fatal in up to 50% of cases. Recovery may be marked by residual neurologic deficits and epilepsy. from Joynt, Clinical Neurology, 1996, ch26, pp9-10)

Details

• A83.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM A83.2 became effective on October 1, 2022.

• This is the American ICD-10-CM version of A83.2 – other international versions of ICD-10 A83.2 may differ.