Specific code 2010 ICD-9-CM Diagnosis Code 064
Viral encephalitis transmitted by other and unspecified arthropods
  • Short description: Vir enceph arthropod NEC.
  • ICD-9-CM 064 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 064 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2010 version of ICD-9-CM 064.
  • More recent version(s) of ICD-9-CM 064: 2011 2012 2013 2014.
Disease Synonyms
  • Arthropod-borne viral encephalitis of unknown vector
  • Unknown arthropod vector viral encephalitis
  • Viral encephalitis, unknown arthropod vector
064 Excludes
  • viral encephalitis NOS (049.9)
Applies To
  • Arthropod-borne viral encephalitis, vector unknown
  • Negishi virus encephalitis
Convert to ICD-10-CM: 064 converts directly to:
  • 2014 ICD-10-CM A85.2 Arthropod-borne viral encephalitis, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 064:
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
    • arboviral, arbovirus NEC 064
    • arthropod-borne (see also Encephalitis, viral, arthropod-borne) 064
    • Negishi virus 064
  • Infection, infected, infective (opportunistic) 136.9
    • virus, viral 079.99
      • adenovirus
        • in diseases classified elsewhere - see category 079
        • unspecified nature or site 079.0
      • central nervous system NEC 049.9
      • chest 519.8
      • conjunctivitis 077.99
        • specified type NEC 077.89
      • coronavirus 079.89
      • Coxsackie (see also Infection, Coxsackie) 079.2
      • Ebola 065.8
      • ECHO
        • in diseases classified elsewhere - see category 079
        • unspecified nature or site 079.1
      • encephalitis 049.9
        • arthropod-borne NEC 064
        • tick-borne 063.9
      • enteritis NEC (see also Enteritis, viral) 008.8
      • exanthem NEC 057.9
      • Hantavirus 079.81
      • human papilloma 079.4
      • in diseases classified elsewhere - see category 079
      • intestine (see also Enteritis, viral) 008.8
      • Lung - see Pneumonia, viral
      • respiratory syncytial (RSV) 079.6
      • Retrovirus 079.50
      • rhinovirus
        • in diseases classified elsewhere - see category 079
        • unspecified nature or site 079.3
      • salivary gland disease 078.5
      • slow 046.9
        • specified condition NEC 046.8
      • specified type NEC 079.89
        • in diseases classified elsewhere - see category 079
      • unspecified nature or site 079.99
      • warts 078.10
      • yaba monkey tumor 059.22
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 064 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.