Specific code 2011 ICD-9-CM Diagnosis Code 046.9
Unspecified slow virus infection of central nervous system
  • Short description: Cns slow virus infec NOS.
  • ICD-9-CM 046.9 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 046.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 046.9.
  • More recent version(s) of ICD-9-CM 046.9: 2012 2013 2014.
Disease Synonyms
  • Slow viral central nervous system infection
  • Slow virus infection CNS
  • Slow virus infection of central nervous system
Convert to ICD-10-CM: 046.9 converts directly to:
  • 2014 ICD-10-CM A81.9 Atypical virus infection of central nervous system, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 046.9:
  • Infection, infected, infective (opportunistic) 136.9
    • slow virus 046.9
      • specified condition NEC 046.8
    • virus, viral 079.99
      • adenovirus
        • in diseases classified elsewhere - see category 079
        • unspecified nature or site 079.0
      • central nervous system NEC 049.9
        • enterovirus 048
        • slow virus 046.9
          • specified condition NEC 046.8
      • 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
      • 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 046.9 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.