Encephalitis, myelitis and encephalomyelitis G04- >

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 G04. 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.
  • encephalopathy NOS (
    ICD-10-CM Diagnosis Code G93.40

    Encephalopathy, unspecified

      2016 2017 2018 Billable/Specific Code
    G93.40
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (G04) and the excluded code together.
  • acute transverse myelitis (
    ICD-10-CM Diagnosis Code G37.3

    Acute transverse myelitis in demyelinating disease of central nervous system

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Acute transverse myelitis NOS
    • Acute transverse myelopathy
    Type 1 Excludes
    • multiple sclerosis (G35)
    • neuromyelitis optica [Devic] (G36.0)
    G37.3-
    )
  • alcoholic encephalopathy (
    ICD-10-CM Diagnosis Code G31.2

    Degeneration of nervous system due to alcohol

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Alcoholic cerebellar ataxia
    • Alcoholic cerebellar degeneration
    • Alcoholic cerebral degeneration
    • Alcoholic encephalopathy
    • Dysfunction of the autonomic nervous system due to alcohol
    Code Also
    • associated alcoholism (F10.-)
    G31.2
    )
  • 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
    )
  • multiple sclerosis (
    ICD-10-CM Diagnosis Code G35

    Multiple sclerosis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Disseminated multiple sclerosis
    • Generalized multiple sclerosis
    • Multiple sclerosis NOS
    • Multiple sclerosis of brain stem
    • Multiple sclerosis of cord
    G35
    )
  • subacute necrotizing myelitis (
    ICD-10-CM Diagnosis Code G37.4

    Subacute necrotizing myelitis of central nervous system

      2016 2017 2018 Billable/Specific Code
    G37.4
    )
  • toxic encephalitis (
    ICD-10-CM Diagnosis Code G92

    Toxic encephalopathy

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Toxic encephalitis
    • Toxic metabolic encephalopathy
    Code First
    • , if applicable, drug induced (T36-T50)
    • (T51-T65) to identify toxic agent
    G92
    )
  • toxic encephalopathy (
    ICD-10-CM Diagnosis Code G92

    Toxic encephalopathy

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Toxic encephalitis
    • Toxic metabolic encephalopathy
    Code First
    • , if applicable, drug induced (T36-T50)
    • (T51-T65) to identify toxic agent
    G92
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • acute ascending myelitis
  • meningoencephalitis
  • meningomyelitis
Clinical Information
Codes