Home > 2015 ICD-9-CM Diagnosis Codes > Infectious And Parasitic Diseases 001-139 > Poliomyelitis And Other Non-Arthropod-Borne Viral Diseases Of Central Nervous System 045-049 > Slow virus infection and prion diseases of central nervous system 046-
Specific code 2015 ICD-9-CM Diagnosis Code 046.79
Other and unspecified prion disease of central nervous system
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 046.79 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 046.79 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 046.79 converts approximately to:
  • 2015/16 ICD-10-CM A81.89 Other atypical virus infections of central nervous system
Approximate Synonyms
  • Prion disease
  • Prion disease of central nervous system
  • Prion disease of CNS
ICD-9-CM Volume 2 Index entries containing back-references to 046.79:
  • Disease, diseased - see also Syndrome
    • nervous system (central) 349.9
      • autonomic, peripheral (see also Neuropathy, peripheral, autonomic) 337.9
      • congenital 742.9
      • inflammatory - see Encephalitis
      • parasympathetic (see also Neuropathy, peripheral, autonomic) 337.9
      • peripheral NEC 355.9
      • prion NEC 046.79
      • specified NEC 349.89
      • sympathetic (see also Neuropathy, peripheral, autonomic) 337.9
      • vegetative (see also Neuropathy, peripheral, autonomic) 337.9
 046.72 ICD9Data.com 046.8 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 046.79 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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