A83.2

Eastern equine encephalitis

Billable / specific

A83.2 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from A83)

  • diseases generally recognized as communicable or transmissible
  • mosquito-borne viral meningoencephalitis

Excludes1

Not coded here — never report together with this code.

  • postpolio syndrome (G14) (from A83)
  • sequelae of poliomyelitis (B91) (from A83)
  • sequelae of viral encephalitis (B94.1) (from A83)

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from A83)
  • certain localized infections - see body system-related chapters (from A83)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A83)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A83)
  • influenza and other acute respiratory infections (J00-J22) (from A83)
  • Venezuelan equine encephalitis (A92.2) (from A83)
  • West Nile fever (A92.3-) (from A83)
  • West Nile virus (A92.3-) (from A83)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A83)

Also known as

  • Encephalitis, Eastern equine
  • Encephalitis, equine, Eastern
  • Encephalomyelitis, equine, Eastern

Parent code

  • A83Mosquito-borne viral encephalitisHeader

Related codes

  • A83.0Japanese encephalitisBillable
  • A83.1Western equine encephalitisBillable
  • A83.3St Louis encephalitisBillable
  • A83.4Australian encephalitisBillable
  • A83.5California encephalitisBillable
  • A83.6Rocio virus diseaseBillable
  • A83.8Other mosquito-borne viral encephalitisBillable
  • A83.9Mosquito-borne viral encephalitis, unspecifiedBillable

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