Other viral encephalitis, not elsewhere classified A85- >

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as A85. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • benign myalgic encephalomyelitis (
    ICD-10-CM Diagnosis Code G93.3

    Postviral fatigue syndrome

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Benign myalgic encephalomyelitis
    Type 1 Excludes
    • chronic fatigue syndrome NOS (R53.82)
    G93.3
    )
  • encephalitis due to cytomegalovirus (
    ICD-10-CM Diagnosis Code B25.8

    Other cytomegaloviral diseases

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Cytomegaloviral encephalitis
    B25.8
    )
  • encephalitis due to herpesvirus NEC (
    ICD-10-CM Diagnosis Code B10.0

    Other human herpesvirus encephalitis

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • herpes encephalitis NOS (B00.4)
    • herpes simplex encephalitis (B00.4)
    • human herpesvirus encephalitis (B00.4)
    • simian B herpes virus encephalitis (B00.4)
    B10.0-
    )
  • encephalitis due to herpesvirus [herpes simplex] (
    ICD-10-CM Diagnosis Code B00.4

    Herpesviral encephalitis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Herpesviral meningoencephalitis
    • Simian B disease
    Type 1 Excludes
    • herpesviral encephalitis due to herpesvirus 6 and 7 (B10.01, B10.09)
    • non-simplex herpesviral encephalitis (B10.0-)
    B00.4
    )
  • encephalitis due to measles virus (
    ICD-10-CM Diagnosis Code B05.0

    Measles complicated by encephalitis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Postmeasles encephalitis
    B05.0
    )
  • encephalitis due to mumps virus (
    ICD-10-CM Diagnosis Code B26.2

    Mumps encephalitis

      2016 2017 2018 Billable/Specific Code
    B26.2
    )
  • encephalitis due to poliomyelitis virus (
    ICD-10-CM Diagnosis Code A80
    • A80 Acute poliomyelitis
      • A80.0 Acute paralytic poliomyelitis, vaccine-associ...
      • A80.1 Acute paralytic poliomyelitis, wild virus, im...
      • A80.2 Acute paralytic poliomyelitis, wild virus, in...
      • A80.3 Acute paralytic poliomyelitis, other and unsp...
        • A80.30 Acute paralytic poliomyelitis, unspecified
        • A80.39 Other acute paralytic poliomyelitis
      • A80.4 Acute nonparalytic poliomyelitis
      • A80.9 Acute poliomyelitis, unspecified
    A80.-
    )
  • encephalitis due to zoster (
    ICD-10-CM Diagnosis Code B02.0

    Zoster encephalitis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Zoster meningoencephalitis
    B02.0
    )
  • lymphocytic choriomeningitis (
    ICD-10-CM Diagnosis Code A87.2

    Lymphocytic choriomeningitis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Lymphocytic meningoencephalitis
    A87.2
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • specified viral encephalomyelitis NEC
  • specified viral meningoencephalitis NEC
Codes