Specific code 2015 ICD-9-CM Diagnosis Code 327.35
Circadian rhythm sleep disorder, jet lag type
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 327.35 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 327.35 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: 327.35 converts directly to:
  • 2015/16 ICD-10-CM G47.25 Circadian rhythm sleep disorder, jet lag type
Approximate Synonyms
  • Jet lag
  • Sleep disorder, circadian rhythm, jet lag type
Clinical Information
  • A subtype of circadian rhythm sleep disorder in which the individual exhibits an endogenous pattern of sleep and wakefulness that comes into conflict with the pattern of sleep and wakefulness required by a new time zone
ICD-9-CM Volume 2 Index entries containing back-references to 327.35:
  • Disorder - see also Disease
    • sleep 780.50
      • with apnea - see Apnea, sleep
      • alcohol induced 291.82
      • arousal 307.46
      • circadian rhythm 327.30
      • drug induced 292.85
      • initiation or maintenance (see also Insomnia) 780.52
      • nonorganic origin 307.40
      • organic specified type NEC 327.8
      • periodic limb movement 327.51
      • specified NEC 780.59
      • wake
        • cycle - see Disorder, sleep, circadian rhythm
        • schedule - see Disorder, sleep, circadian rhythm
  • Rapid
    • time-zone change syndrome 327.35
  • Syndrome - see also Disease
    • jet lag 327.35
    • rapid time-zone change 327.35
    • time-zone (rapid) 327.35
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 327.35 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.