Other viral encephalitis, not elsewhere classified A85

The ICD10 code for the diagnosis "Other viral encephalitis, not elsewhere classified" is "A85". A85 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • A85 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM A85 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of A85 - other international versions of ICD-10 A85 may differ.
Type 1 Excludes:
  • benign myalgic encephalomyelitis (G93.3)
  • encephalitis due to cytomegalovirus (B25.8)
  • encephalitis due to herpesvirus NEC (B10.0-)
  • encephalitis due to herpesvirus [herpes simplex] (B00.4)
  • encephalitis due to measles virus (B05.0)
  • encephalitis due to mumps virus (B26.2)
  • encephalitis due to poliomyelitis virus (A80.-)
  • encephalitis due to zoster (B02.0)
  • lymphocytic choriomeningitis (A87.2)
  • specified viral encephalomyelitis NEC
  • specified viral meningoencephalitis NEC

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.