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A85Other viral encephalitis, not elsewhere classified

ICD-10-CM category (non-billable header) code — part of Viral and prion infections of the central nervous system (A80-A89)

Code Details

BillableNo — use a more specific child code
ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
SectionViral and prion infections of the central nervous system (A80-A89)

Coding Notes

Includes

  • specified viral encephalomyelitis NEC
  • specified viral meningoencephalitis NEC

Excludes1 (never code both together)

  • 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)
  • myalgic encephalomyelitis (G93.32)

Subcategories (4)

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