Specific code 2015 ICD-9-CM Diagnosis Code 347.00
Narcolepsy, without cataplexy
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 347.00 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 347.00 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: 347.00 converts directly to:
  • 2015/16 ICD-10-CM G47.419 Narcolepsy without cataplexy
Approximate Synonyms
  • Epilepsy, sleep related
  • Narcolepsy
  • Narcolepsy without cataplexy
  • Narcolepsy wo cataplexy
  • Nocturnal epilepsy
  • Sleep related epilepsy
Clinical Information
  • Recurrent, uncontrollable brief episodes of sleep and lapses in consciousness, often associated with hypnagogic hallucinations, cataplexy, automatic behaviors and sleep paralysis
Applies To
  • Narcolepsy NOS
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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.