2018 ICD-10-CM Index > 'Encephalitis'

2018 ICD-10-CM Index
'E' Terms

Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
ICD-10-CM Diagnosis Code G04.90
Encephalitis and encephalomyelitis, unspecified
Applicable To
Ventriculitis (cerebral) NOS
- acute A86
  - see also Encephalitis, viral
  ICD-10-CM Diagnosis Code A86
  Unspecified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral encephalomyelitis NOS
  Viral meningoencephalitis NOS
  - disseminated G04.00
    ICD-10-CM Diagnosis Code G04.00
    Acute disseminated encephalitis and encephalomyelitis, unspecified
    2016 2017 2018 Billable/Specific Code
    - infectious G04.01
      ICD-10-CM Diagnosis Code G04.01
      Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
      2016 2017 2018 Billable/Specific Code
      Type 1 Excludes
      post chickenpox encephalitis (B01.1)
      post measles encephalitis (B05.0)
      post measles myelitis (B05.1)
    - noninfectious G04.81
      ICD-10-CM Diagnosis Code G04.81
      Other encephalitis and encephalomyelitis
      2016 2017 2018 Billable/Specific Code
      Applicable To
      Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
    - postimmunization G04.02
      (postvaccination)
      ICD-10-CM Diagnosis Code G04.02
      Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
      2016 2017 2018 Billable/Specific Code
      Applicable To
      Encephalitis, post immunization
      Encephalomyelitis, post immunization
      Use Additional
      code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
    - postinfectious G04.01
      ICD-10-CM Diagnosis Code G04.01
      Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
      2016 2017 2018 Billable/Specific Code
      Type 1 Excludes
      post chickenpox encephalitis (B01.1)
      post measles encephalitis (B05.0)
      post measles myelitis (B05.1)
  - inclusion body A85.8
    ICD-10-CM Diagnosis Code A85.8
    Other specified viral encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Encephalitis lethargica
    Von Economo-Cruchet disease
  - necrotizing hemorrhagic G04.30
    ICD-10-CM Diagnosis Code G04.30
    Acute necrotizing hemorrhagic encephalopathy, unspecified
    2016 2017 2018 Billable/Specific Code
    - postimmunization G04.32
      ICD-10-CM Diagnosis Code G04.32
      Postimmunization acute necrotizing hemorrhagic encephalopathy
      2016 2017 2018 Billable/Specific Code
      Use Additional
      code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
    - postinfectious G04.31
      ICD-10-CM Diagnosis Code G04.31
      Postinfectious acute necrotizing hemorrhagic encephalopathy
      2016 2017 2018 Billable/Specific Code
    - specified NEC G04.39
      ICD-10-CM Diagnosis Code G04.39
      Other acute necrotizing hemorrhagic encephalopathy
      2016 2017 2018 Billable/Specific Code
      Code Also
      underlying etiology, if applicable
- arboviral, arbovirus NEC A85.2
  ICD-10-CM Diagnosis Code A85.2
  Arthropod-borne viral encephalitis, unspecified
  2016 2017 2018 Billable/Specific Code
  Type 1 Excludes
  West nile virus with encephalitis (A92.31)
- arthropod-borne NEC A85.2
  (viral)
  ICD-10-CM Diagnosis Code A85.2
  Arthropod-borne viral encephalitis, unspecified
  2016 2017 2018 Billable/Specific Code
  Type 1 Excludes
  West nile virus with encephalitis (A92.31)
- Australian A83.4
  ICD-10-CM Diagnosis Code A83.4
  Australian encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Kunjin virus disease
- California A83.5
  (virus)
  ICD-10-CM Diagnosis Code A83.5
  California encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  California meningoencephalitis
  La Crosse encephalitis
- Central European A84.1
  (tick-borne)
  ICD-10-CM Diagnosis Code A84.1
  Central European tick-borne encephalitis
  2016 2017 2018 Billable/Specific Code
- Czechoslovakian A84.1
  ICD-10-CM Diagnosis Code A84.1
  Central European tick-borne encephalitis
  2016 2017 2018 Billable/Specific Code
- Dawson's A81.1
  (inclusion body)
  ICD-10-CM Diagnosis Code A81.1
  Subacute sclerosing panencephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Dawson's inclusion body encephalitis
  Van Bogaert's sclerosing leukoencephalopathy
- diffuse sclerosing A81.1
  ICD-10-CM Diagnosis Code A81.1
  Subacute sclerosing panencephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Dawson's inclusion body encephalitis
  Van Bogaert's sclerosing leukoencephalopathy
- disseminated, acute G04.00
  ICD-10-CM Diagnosis Code G04.00
  Acute disseminated encephalitis and encephalomyelitis, unspecified
  2016 2017 2018 Billable/Specific Code
- due to
  - cat scratch disease A28.1
    ICD-10-CM Diagnosis Code A28.1
    Cat-scratch disease
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Cat-scratch fever
  - human immunodeficiency virus B20
    (HIV)
    ICD-10-CM Diagnosis Code B20
    Human immunodeficiency virus [HIV] disease
    2016 2017 2018 Billable/Specific Code
    Code First
    Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
    Includes
    acquired immune deficiency syndrome [AIDS]
    AIDS-related complex [ARC]
    HIV infection, symptomatic
    Type 1 Excludes
    asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
    exposure to HIV virus (Z20.6)
    inconclusive serologic evidence of HIV (R75)
    Use Additional
    code(s) to identify all manifestations of HIV infection
  - malaria - see Malaria
  - rickettsiosis - see Rickettsiosis
  - smallpox inoculation G04.02
    ICD-10-CM Diagnosis Code G04.02
    Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Encephalitis, post immunization
    Encephalomyelitis, post immunization
    Use Additional
    code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
  - typhus - see Typhus
- Eastern equine A83.2
  ICD-10-CM Diagnosis Code A83.2
  Eastern equine encephalitis
  2016 2017 2018 Billable/Specific Code
- endemic A86
  (viral)
  ICD-10-CM Diagnosis Code A86
  Unspecified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral encephalomyelitis NOS
  Viral meningoencephalitis NOS
- epidemic NEC A86
  (viral)
  ICD-10-CM Diagnosis Code A86
  Unspecified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral encephalomyelitis NOS
  Viral meningoencephalitis NOS
- equine (acute) (infectious) (viral) A83.9
  ICD-10-CM Diagnosis Code A83.9
  Mosquito-borne viral encephalitis, unspecified
  2016 2017 2018 Billable/Specific Code
  - Eastern A83.2
    ICD-10-CM Diagnosis Code A83.2
    Eastern equine encephalitis
    2016 2017 2018 Billable/Specific Code
  - Venezuelan A92.2
    ICD-10-CM Diagnosis Code A92.2
    Venezuelan equine fever
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Venezuelan equine encephalitis
    Venezuelan equine encephalomyelitis virus disease
  - Western A83.1
    ICD-10-CM Diagnosis Code A83.1
    Western equine encephalitis
    2016 2017 2018 Billable/Specific Code
- Far Eastern A84.0
  (tick-borne)
  ICD-10-CM Diagnosis Code A84.0
  Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
  2016 2017 2018 Billable/Specific Code
- following vaccination or other immunization procedure G04.02
  ICD-10-CM Diagnosis Code G04.02
  Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis, post immunization
  Encephalomyelitis, post immunization
  Use Additional
  code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
- herpes zoster B02.0
  ICD-10-CM Diagnosis Code B02.0
  Zoster encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Zoster meningoencephalitis
- herpesviral B00.4
  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-)
  - due to herpesvirus 6 B10.01
    ICD-10-CM Diagnosis Code B10.01
    Human herpesvirus 6 encephalitis
    2016 2017 2018 Billable/Specific Code
  - due to herpesvirus 7 B10.09
    ICD-10-CM Diagnosis Code B10.09
    Other human herpesvirus encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Human herpesvirus 7 encephalitis
  - specified NEC B10.09
    ICD-10-CM Diagnosis Code B10.09
    Other human herpesvirus encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Human herpesvirus 7 encephalitis
- Ilheus A83.8
  (virus)
  ICD-10-CM Diagnosis Code A83.8
  Other mosquito-borne viral encephalitis
  2016 2017 2018 Billable/Specific Code
- in (due to)
  - actinomycosis A42.82
    ICD-10-CM Diagnosis Code A42.82
    Actinomycotic encephalitis
    2016 2017 2018 Billable/Specific Code
  - adenovirus A85.1
    ICD-10-CM Diagnosis Code A85.1
    Adenoviral encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Adenoviral meningoencephalitis
  - African trypanosomiasis B56.9
    ICD-10-CM Diagnosis Code B56.9
    African trypanosomiasis, unspecified
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Sleeping sickness NOS
  - Chagas' disease B57.42
    (chronic)
    ICD-10-CM Diagnosis Code B57.42
    Meningoencephalitis in Chagas' disease
    2016 2017 2018 Billable/Specific Code
  - cytomegalovirus B25.8
    ICD-10-CM Diagnosis Code B25.8
    Other cytomegaloviral diseases
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Cytomegaloviral encephalitis
  - enterovirus A85.0
    ICD-10-CM Diagnosis Code A85.0
    Enteroviral encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Enteroviral encephalomyelitis
  - herpes (simplex) B00.4
    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-)
    - due to herpesvirus 6 B10.01
      ICD-10-CM Diagnosis Code B10.01
      Human herpesvirus 6 encephalitis
      2016 2017 2018 Billable/Specific Code
    - due to herpesvirus 7 B10.09
      ICD-10-CM Diagnosis Code B10.09
      Other human herpesvirus encephalitis
      2016 2017 2018 Billable/Specific Code
      Applicable To
      Human herpesvirus 7 encephalitis
    - specified NEC B10.09
      ICD-10-CM Diagnosis Code B10.09
      Other human herpesvirus encephalitis
      2016 2017 2018 Billable/Specific Code
      Applicable To
      Human herpesvirus 7 encephalitis
  - infectious disease NEC B99
    ICD-10-CM Diagnosis Code B99
    Other and unspecified infectious diseases
    2016 2017 2018 Non-Billable/Non-Specific Code
  - influenza - see Influenza, with, encephalopathy
  - listeriosis A32.12
    ICD-10-CM Diagnosis Code A32.12
    Listerial meningoencephalitis
    2016 2017 2018 Billable/Specific Code
  - measles B05.0
    ICD-10-CM Diagnosis Code B05.0
    Measles complicated by encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Postmeasles encephalitis
  - mumps B26.2
    ICD-10-CM Diagnosis Code B26.2
    Mumps encephalitis
    2016 2017 2018 Billable/Specific Code
  - naegleriasis B60.2
    ICD-10-CM Diagnosis Code B60.2
    Naegleriasis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Primary amebic meningoencephalitis
  - parasitic disease NEC B89
    ICD-10-CM Diagnosis Code B89
    Unspecified parasitic disease
    2016 2017 2018 Billable/Specific Code
  - poliovirus A80.9
    ICD-10-CM Diagnosis Code A80.9
    Acute poliomyelitis, unspecified
    2016 2017 2018 Billable/Specific Code
  - rubella B06.01
    ICD-10-CM Diagnosis Code B06.01
    Rubella encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Rubella meningoencephalitis
  - syphilis
    - congenital A50.42
      ICD-10-CM Diagnosis Code A50.42
      Late congenital syphilitic encephalitis
      2016 2017 2018 Billable/Specific Code
    - late A52.14
      ICD-10-CM Diagnosis Code A52.14
      Late syphilitic encephalitis
      2016 2017 2018 Billable/Specific Code
  - systemic lupus erythematosus M32.19
    ICD-10-CM Diagnosis Code M32.19
    Other organ or system involvement in systemic lupus erythematosus
    2016 2017 2018 Billable/Specific Code
  - toxoplasmosis (acquired) B58.2
    ICD-10-CM Diagnosis Code B58.2
    Toxoplasma meningoencephalitis
    2016 2017 2018 Billable/Specific Code
    - congenital P37.1
      ICD-10-CM Diagnosis Code P37.1
      Congenital toxoplasmosis
      2016 2017 2018 Billable/Specific Code Code on Newborn Record
      Applicable To
      Hydrocephalus due to congenital toxoplasmosis
  - tuberculosis A17.82
    ICD-10-CM Diagnosis Code A17.82
    Tuberculous meningoencephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Tuberculous myelitis
  - zoster B02.0
    ICD-10-CM Diagnosis Code B02.0
    Zoster encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Zoster meningoencephalitis
- inclusion body A81.1
  ICD-10-CM Diagnosis Code A81.1
  Subacute sclerosing panencephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Dawson's inclusion body encephalitis
  Van Bogaert's sclerosing leukoencephalopathy
- infectious A86
  (acute) (virus)
  ICD-10-CM Diagnosis Code A86
  Unspecified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral encephalomyelitis NOS
  Viral meningoencephalitis NOS
- Japanese A83.0
  (B type)
  ICD-10-CM Diagnosis Code A83.0
  Japanese encephalitis
  2016 2017 2018 Billable/Specific Code
- La Crosse A83.5
  ICD-10-CM Diagnosis Code A83.5
  California encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  California meningoencephalitis
  La Crosse encephalitis
- lead - see Poisoning, lead
- lethargica A85.8
  (acute) (infectious)
  ICD-10-CM Diagnosis Code A85.8
  Other specified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis lethargica
  Von Economo-Cruchet disease
- louping ill A84.8
  ICD-10-CM Diagnosis Code A84.8
  Other tick-borne viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Louping ill
  Powassan virus disease
- lupus erythematosus, systemic M32.19
  ICD-10-CM Diagnosis Code M32.19
  Other organ or system involvement in systemic lupus erythematosus
  2016 2017 2018 Billable/Specific Code
- lymphatica A87.2
  ICD-10-CM Diagnosis Code A87.2
  Lymphocytic choriomeningitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Lymphocytic meningoencephalitis
- Mengo A85.8
  ICD-10-CM Diagnosis Code A85.8
  Other specified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis lethargica
  Von Economo-Cruchet disease
- meningococcal A39.81
  ICD-10-CM Diagnosis Code A39.81
  Meningococcal encephalitis
  2016 2017 2018 Billable/Specific Code
- Murray Valley A83.4
  ICD-10-CM Diagnosis Code A83.4
  Australian encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Kunjin virus disease
- otitic NEC H66.40
  ICD-10-CM Diagnosis Code H66.40
  Suppurative otitis media, unspecified, unspecified ear
  2016 2017 2018 Billable/Specific Code
- parasitic NOS B71.9
  ICD-10-CM Diagnosis Code B71.9
  Cestode infection, unspecified
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Tapeworm (infection) NOS
- periaxial G37.0
  ICD-10-CM Diagnosis Code G37.0
  Diffuse sclerosis of central nervous system
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Periaxial encephalitis
  Schilder's disease
  Type 1 Excludes
  X linked adrenoleukodystrophy (E71.52-)
- periaxialis G37.5
  (concentrica) (diffuse)
  ICD-10-CM Diagnosis Code G37.5
  Concentric sclerosis [Balo] of central nervous system
  2016 2017 2018 Billable/Specific Code
- postchickenpox B01.11
  ICD-10-CM Diagnosis Code B01.11
  Varicella encephalitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Postchickenpox encephalitis and encephalomyelitis
- postexanthematous NEC B09
  ICD-10-CM Diagnosis Code B09
  Unspecified viral infection characterized by skin and mucous membrane lesions
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral enanthema NOS
  Viral exanthema NOS
- postimmunization G04.02
  ICD-10-CM Diagnosis Code G04.02
  Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis, post immunization
  Encephalomyelitis, post immunization
  Use Additional
  code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
- postinfectious NEC G04.01
  ICD-10-CM Diagnosis Code G04.01
  Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
  2016 2017 2018 Billable/Specific Code
  Type 1 Excludes
  post chickenpox encephalitis (B01.1)
  post measles encephalitis (B05.0)
  post measles myelitis (B05.1)
- postmeasles B05.0
  ICD-10-CM Diagnosis Code B05.0
  Measles complicated by encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Postmeasles encephalitis
- postvaccinal G04.02
  ICD-10-CM Diagnosis Code G04.02
  Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis, post immunization
  Encephalomyelitis, post immunization
  Use Additional
  code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
- postvaricella B01.11
  ICD-10-CM Diagnosis Code B01.11
  Varicella encephalitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Postchickenpox encephalitis and encephalomyelitis
- postviral NEC A86
  ICD-10-CM Diagnosis Code A86
  Unspecified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral encephalomyelitis NOS
  Viral meningoencephalitis NOS
- Powassan A84.8
  ICD-10-CM Diagnosis Code A84.8
  Other tick-borne viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Louping ill
  Powassan virus disease
- Rasmussen G04.81
  ICD-10-CM Diagnosis Code G04.81
  Other encephalitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
- Rio Bravo A85.8
  ICD-10-CM Diagnosis Code A85.8
  Other specified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis lethargica
  Von Economo-Cruchet disease
- Russian
  - autumnal A83.0
    ICD-10-CM Diagnosis Code A83.0
    Japanese encephalitis
    2016 2017 2018 Billable/Specific Code
  - spring-summer A84.0
    (taiga)
    ICD-10-CM Diagnosis Code A84.0
    Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
    2016 2017 2018 Billable/Specific Code
- saturnine - see Poisoning, lead
- specified NEC G04.81
  ICD-10-CM Diagnosis Code G04.81
  Other encephalitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
- St. Louis A83.3
  ICD-10-CM Diagnosis Code A83.3
  St Louis encephalitis
  2016 2017 2018 Billable/Specific Code
- subacute sclerosing A81.1
  ICD-10-CM Diagnosis Code A81.1
  Subacute sclerosing panencephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Dawson's inclusion body encephalitis
  Van Bogaert's sclerosing leukoencephalopathy
- summer A83.0
  ICD-10-CM Diagnosis Code A83.0
  Japanese encephalitis
  2016 2017 2018 Billable/Specific Code
- suppurative G04.81
  ICD-10-CM Diagnosis Code G04.81
  Other encephalitis and encephalomyelitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
- tick-borne A84.9
  ICD-10-CM Diagnosis Code A84.9
  Tick-borne viral encephalitis, unspecified
  2016 2017 2018 Billable/Specific Code
- Torula, torular B45.1
  (cryptococcal)
  ICD-10-CM Diagnosis Code B45.1
  Cerebral cryptococcosis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Cryptococcal meningitis
  Cryptococcosis meningocerebralis
- toxic NEC G92
  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
- trichinosis B75
  ICD-10-CM Diagnosis Code B75
  Trichinellosis
  2016 2017 2018 Billable/Specific Code
  Includes
  infection due to Trichinella species
  trichiniasis
- type
  - B A83.0
    ICD-10-CM Diagnosis Code A83.0
    Japanese encephalitis
    2016 2017 2018 Billable/Specific Code
  - C A83.3
    ICD-10-CM Diagnosis Code A83.3
    St Louis encephalitis
    2016 2017 2018 Billable/Specific Code
- van Bogaert's A81.1
  ICD-10-CM Diagnosis Code A81.1
  Subacute sclerosing panencephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Dawson's inclusion body encephalitis
  Van Bogaert's sclerosing leukoencephalopathy
- Venezuelan equine A92.2
  ICD-10-CM Diagnosis Code A92.2
  Venezuelan equine fever
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Venezuelan equine encephalitis
  Venezuelan equine encephalomyelitis virus disease
- Vienna A85.8
  ICD-10-CM Diagnosis Code A85.8
  Other specified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Encephalitis lethargica
  Von Economo-Cruchet disease
- viral, virus A86
  ICD-10-CM Diagnosis Code A86
  Unspecified viral encephalitis
  2016 2017 2018 Billable/Specific Code
  Applicable To
  Viral encephalomyelitis NOS
  Viral meningoencephalitis NOS
  - arthropod-borne NEC A85.2
    ICD-10-CM Diagnosis Code A85.2
    Arthropod-borne viral encephalitis, unspecified
    2016 2017 2018 Billable/Specific Code
    Type 1 Excludes
    West nile virus with encephalitis (A92.31)
    - mosquito-borne A83.9
      ICD-10-CM Diagnosis Code A83.9
      Mosquito-borne viral encephalitis, unspecified
      2016 2017 2018 Billable/Specific Code
      - Australian X disease A83.4
        ICD-10-CM Diagnosis Code A83.4
        Australian encephalitis
        2016 2017 2018 Billable/Specific Code
        Applicable To
        Kunjin virus disease
      - California virus A83.5
        ICD-10-CM Diagnosis Code A83.5
        California encephalitis
        2016 2017 2018 Billable/Specific Code
        Applicable To
        California meningoencephalitis
        La Crosse encephalitis
      - Eastern equine A83.2
        ICD-10-CM Diagnosis Code A83.2
        Eastern equine encephalitis
        2016 2017 2018 Billable/Specific Code
      - Japanese A83.0
        (B type)
        ICD-10-CM Diagnosis Code A83.0
        Japanese encephalitis
        2016 2017 2018 Billable/Specific Code
      - Murray Valley A83.4
        ICD-10-CM Diagnosis Code A83.4
        Australian encephalitis
        2016 2017 2018 Billable/Specific Code
        Applicable To
        Kunjin virus disease
      - specified NEC A83.8
        ICD-10-CM Diagnosis Code A83.8
        Other mosquito-borne viral encephalitis
        2016 2017 2018 Billable/Specific Code
      - St. Louis A83.3
        ICD-10-CM Diagnosis Code A83.3
        St Louis encephalitis
        2016 2017 2018 Billable/Specific Code
      - type B A83.0
        ICD-10-CM Diagnosis Code A83.0
        Japanese encephalitis
        2016 2017 2018 Billable/Specific Code
      - type C A83.3
        ICD-10-CM Diagnosis Code A83.3
        St Louis encephalitis
        2016 2017 2018 Billable/Specific Code
      - Western equine A83.1
        ICD-10-CM Diagnosis Code A83.1
        Western equine encephalitis
        2016 2017 2018 Billable/Specific Code
    - tick-borne A84.9
      ICD-10-CM Diagnosis Code A84.9
      Tick-borne viral encephalitis, unspecified
      2016 2017 2018 Billable/Specific Code
      - biundulant A84.1
        ICD-10-CM Diagnosis Code A84.1
        Central European tick-borne encephalitis
        2016 2017 2018 Billable/Specific Code
      - central European A84.1
        ICD-10-CM Diagnosis Code A84.1
        Central European tick-borne encephalitis
        2016 2017 2018 Billable/Specific Code
      - Czechoslovakian A84.1
        ICD-10-CM Diagnosis Code A84.1
        Central European tick-borne encephalitis
        2016 2017 2018 Billable/Specific Code
      - diphasic meningoencephalitis A84.1
        ICD-10-CM Diagnosis Code A84.1
        Central European tick-borne encephalitis
        2016 2017 2018 Billable/Specific Code
      - Far Eastern A84.0
        ICD-10-CM Diagnosis Code A84.0
        Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
        2016 2017 2018 Billable/Specific Code
      - Russian spring-summer A84.0
        (taiga)
        ICD-10-CM Diagnosis Code A84.0
        Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
        2016 2017 2018 Billable/Specific Code
      - specified NEC A84.8
        ICD-10-CM Diagnosis Code A84.8
        Other tick-borne viral encephalitis
        2016 2017 2018 Billable/Specific Code
        Applicable To
        Louping ill
        Powassan virus disease
  - specified type NEC A85.8
    ICD-10-CM Diagnosis Code A85.8
    Other specified viral encephalitis
    2016 2017 2018 Billable/Specific Code
    Applicable To
    Encephalitis lethargica
    Von Economo-Cruchet disease
- Western equine A83.1
  ICD-10-CM Diagnosis Code A83.1
  Western equine encephalitis
  2016 2017 2018 Billable/Specific Code

Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90ICD-10-CM Diagnosis Code G04.90Encephalitis and encephalomyelitis, unspecified2016 2017 2018 Billable/Specific Code Applicable ToVentriculitis (cerebral) NOS

Encephalitis and encephalomyelitis, unspecified

Unspecified viral encephalitis

Acute disseminated encephalitis and encephalomyelitis, unspecified

Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)

Other encephalitis and encephalomyelitis

Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis

Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)

Other specified viral encephalitis

Acute necrotizing hemorrhagic encephalopathy, unspecified

Postimmunization acute necrotizing hemorrhagic encephalopathy

Postinfectious acute necrotizing hemorrhagic encephalopathy

Other acute necrotizing hemorrhagic encephalopathy

Arthropod-borne viral encephalitis, unspecified

Arthropod-borne viral encephalitis, unspecified

Australian encephalitis

California encephalitis

Central European tick-borne encephalitis

Central European tick-borne encephalitis

Subacute sclerosing panencephalitis

Subacute sclerosing panencephalitis

Acute disseminated encephalitis and encephalomyelitis, unspecified

Cat-scratch disease

Human immunodeficiency virus [HIV] disease

Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis

Eastern equine encephalitis

Unspecified viral encephalitis

Unspecified viral encephalitis

Mosquito-borne viral encephalitis, unspecified

Eastern equine encephalitis

Venezuelan equine fever

Western equine encephalitis

Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]

Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis

Zoster encephalitis

Herpesviral encephalitis

Human herpesvirus 6 encephalitis

Other human herpesvirus encephalitis

Other human herpesvirus encephalitis

Other mosquito-borne viral encephalitis

Actinomycotic encephalitis

Adenoviral encephalitis

African trypanosomiasis, unspecified

Meningoencephalitis in Chagas' disease

Other cytomegaloviral diseases

Enteroviral encephalitis

Herpesviral encephalitis

Human herpesvirus 6 encephalitis

Other human herpesvirus encephalitis

Other human herpesvirus encephalitis

Other and unspecified infectious diseases

Listerial meningoencephalitis

Measles complicated by encephalitis

Mumps encephalitis

Naegleriasis

Unspecified parasitic disease

Acute poliomyelitis, unspecified

Rubella encephalitis

Late congenital syphilitic encephalitis

Late syphilitic encephalitis

Other organ or system involvement in systemic lupus erythematosus

Toxoplasma meningoencephalitis

Congenital toxoplasmosis

Tuberculous meningoencephalitis

Zoster encephalitis

Subacute sclerosing panencephalitis

Unspecified viral encephalitis

Japanese encephalitis

California encephalitis

Other specified viral encephalitis

Other tick-borne viral encephalitis

Other organ or system involvement in systemic lupus erythematosus

Lymphocytic choriomeningitis

Other specified viral encephalitis

Meningococcal encephalitis

Australian encephalitis

Suppurative otitis media, unspecified, unspecified ear

Cestode infection, unspecified

Diffuse sclerosis of central nervous system

Concentric sclerosis [Balo] of central nervous system

Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
ICD-10-CM Diagnosis Code G04.90
Encephalitis and encephalomyelitis, unspecified
2016 2017 2018 Billable/Specific Code
Applicable To
Ventriculitis (cerebral) NOS