Specific code 2012 ICD-9-CM Diagnosis Code 347.00
Narcolepsy, without cataplexy
  • Short description: Narcolepsy w/o cataplexy.
  • ICD-9-CM 347.00 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 347.00 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 347.00.
  • More recent version(s) of ICD-9-CM 347.00: 2013 2014.
Disease Synonyms
  • Epilepsy, sleep related
  • Narcolepsy
  • Narcolepsy without cataplexy
  • Narcolepsy wo cataplexy
  • Nocturnal epilepsy (disorder)
  • Sleep related epilepsy
Applies To
  • Narcolepsy NOS
Convert to ICD-10-CM: 347.00 converts directly to:
  • 2014 ICD-10-CM G47.419 Narcolepsy without cataplexy
ICD-9-CM Volume 2 Index entries containing back-references to 347.00:
  • Disease, diseased - see also Syndrome
    • sleeping (see also Narcolepsy) 347.00
      • meaning sleeping sickness (see also Trypanosomiasis) 086.5
  • Epilepsy, epileptic (idiopathic) 345.9
    • sleep (see also Narcolepsy) 347.00
  • Gélineau's syndrome (see also Narcolepsy) 347.00
  • Narcolepsy 347.00
    • in conditions classified elsewhere 347.10
  • Periodic - see also condition
    • somnolence (see also Narcolepsy) 347.00
  • Sleep
    • paroxysmal (see also Narcolepsy) 347.00
  • Syndrome - see also Disease
    • Gélineau's (see also Narcolepsy) 347.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 347.00 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.