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Encephalitis

CCSR category NVS002 · 56 ICD-10-CM codes

Code Families in This Category

  • G04 Encephalitis, myelitis and encephalomyelitis · 13
  • A83 Mosquito-borne viral encephalitis · 9
  • A84 Tick-borne viral encephalitis · 6
  • A85 Other viral encephalitis, not elsewhere classified · 4
  • A92 Other mosquito-borne viral fevers · 2
  • B10 Other human herpesviruses · 2
  • G05 Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere · 2
  • A17 Tuberculosis of nervous system · 1
  • A32 Listeriosis · 1
  • A39 Meningococcal infection · 1
  • A42 Actinomycosis · 1
  • A50 Congenital syphilis · 1
  • A52 Late syphilis · 1
  • A81 Atypical virus infections of central nervous system · 1
  • A86 Unspecified viral encephalitis · 1
  • B00 Herpesviral [herpes simplex] infections · 1
  • B01 Varicella [chickenpox] · 1
  • B02 Zoster [herpes zoster] · 1
  • B05 Measles · 1
  • B06 Rubella [German measles] · 1
  • B26 Mumps · 1
  • B40 Blastomycosis · 1
  • B57 Chagas' disease · 1
  • B58 Toxoplasmosis · 1
  • B60 Other protozoal diseases, not elsewhere classified · 1

ICD-10-CM Codes in This Category (56)

  • A17.82 — Tuberculous meningoencephalitis
  • A32.12 — Listerial meningoencephalitis
  • A39.81 — Meningococcal encephalitis
  • A42.82 — Actinomycotic encephalitis
  • A50.42 — Late congenital syphilitic encephalitis
  • A52.14 — Late syphilitic encephalitis
  • A81.1 — Subacute sclerosing panencephalitis
  • A83.0 — Japanese encephalitis
  • A83.1 — Western equine encephalitis
  • A83.2 — Eastern equine encephalitis
  • A83.3 — St Louis encephalitis
  • A83.4 — Australian encephalitis
  • A83.5 — California encephalitis
  • A83.6 — Rocio virus disease
  • A83.8 — Other mosquito-borne viral encephalitis
  • A83.9 — Mosquito-borne viral encephalitis, unspecified
  • A84.0 — Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
  • A84.1 — Central European tick-borne encephalitis
  • A84.8 — Other tick-borne viral encephalitis
  • A84.81 — Powassan virus disease
  • A84.89 — Other tick-borne viral encephalitis
  • A84.9 — Tick-borne viral encephalitis, unspecified
  • A85.0 — Enteroviral encephalitis
  • A85.1 — Adenoviral encephalitis
  • A85.2 — Arthropod-borne viral encephalitis, unspecified
  • A85.8 — Other specified viral encephalitis
  • A86 — Unspecified viral encephalitis
  • A92.2 — Venezuelan equine fever
  • A92.31 — West Nile virus infection with encephalitis
  • B00.4 — Herpesviral encephalitis
  • B01.11 — Varicella encephalitis and encephalomyelitis
  • B02.0 — Zoster encephalitis
  • B05.0 — Measles complicated by encephalitis
  • B06.01 — Rubella encephalitis
  • B10.01 — Human herpesvirus 6 encephalitis
  • B10.09 — Other human herpesvirus encephalitis
  • B26.2 — Mumps encephalitis
  • B40.81 — Blastomycotic meningoencephalitis
  • B57.42 — Meningoencephalitis in Chagas' disease
  • B58.2 — Toxoplasma meningoencephalitis
  • B60.11 — Meningoencephalitis due to Acanthamoeba (culbertsoni)
  • G04.00 — Acute disseminated encephalitis and encephalomyelitis, unspecified
  • G04.01 — Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
  • G04.02 — Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
  • G04.2 — Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
  • G04.30 — Acute necrotizing hemorrhagic encephalopathy, unspecified
  • G04.31 — Postinfectious acute necrotizing hemorrhagic encephalopathy
  • G04.32 — Postimmunization acute necrotizing hemorrhagic encephalopathy
  • G04.39 — Other acute necrotizing hemorrhagic encephalopathy
  • G04.81 — Other encephalitis and encephalomyelitis
  • G04.82 — Acute flaccid myelitis
  • G04.89 — Other myelitis
  • G04.90 — Encephalitis and encephalomyelitis, unspecified
  • G04.91 — Myelitis, unspecified
  • G05.3 — Encephalitis and encephalomyelitis in diseases classified elsewhere
  • G05.4 — Myelitis in diseases classified elsewhere

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, Rockville, MD. All data sources.