Specific code 2014 ICD-9-CM Diagnosis Code 046.2
Subacute sclerosing panencephalitis
  • Billable Code
  • Short description: Subac scleros panenceph.
  • ICD-9-CM 046.2 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 046.2 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Clinical Information
  • Rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years.
Applies To
  • Dawson's inclusion body encephalitis
  • Van Bogaert's sclerosing leukoencephalitis
Convert to ICD-10-CM: 046.2 converts directly to:
  • 2014 ICD-10-CM A81.1 Subacute sclerosing panencephalitis
ICD-9-CM Volume 2 Index entries containing back-references to 046.2:
  • Bodechtel-Guttmann disease (subacute sclerosing panencephalitis) 046.2
  • Dawson's encephalitis 046.2
  • Disease, diseased - see also Syndrome
    • Bodechtel-Guttmann (subacute sclerosing panencephalitis) 046.2
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
    • Dawson's (inclusion body) 046.2
    • diffuse sclerosing 046.2
    • inclusion body 046.2
    • subacute sclerosing 046.2
    • van Bogaert's 046.2
  • Leukoencephalitis
    • subacute sclerosing 046.2
      • van Bogaert's 046.2
    • van Bogaert's (sclerosing) 046.2
  • Panencephalitis - see also Encephalitis
    • subacute, sclerosing 046.2
  • van Bogaert's leukoencephalitis (sclerosing) (subacute) 046.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 046.2 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.