Home > 2007 ICD-9-CM Diagnosis Codes > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Special symptoms or syndromes not elsewhere classified 307-
Specific code 2007 ICD-9-CM Diagnosis Code 307.43
Transient disorder of initiating or maintaining wakefulness
  • Short description: TRANSIENT HYPERSOMNIA.
  • ICD-9-CM 307.43 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 307.43 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).
  • You are viewing the 2007 version of ICD-9-CM 307.43.
  • More recent version(s) of ICD-9-CM 307.43: 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 307.43 converts approximately to:
  • 2015/16 ICD-10-CM F51.19 Other hypersomnia not due to a substance or known physiological condition
Approximate Synonyms
  • Hypersomnia disorder related to another mental disorder
  • Hypersomnia of non-organic origin
  • Hypersomnia, nonorganic
  • Post-radiotherapy somnolence syndrome
  • Postviral excessive daytime sleepiness
Applies To
  • Hypersomnia associated with acute or intermittent emotional reactions or conflicts
ICD-9-CM Volume 2 Index entries containing back-references to 307.43:
  • Disorder - see also Disease
    • wakefulness (see also Hypersomnia) 780.54
      • nonorganic origin (transient) 307.43
  • Disturbance - see also Disease
    • sleep 780.50
      • with apnea - see Apnea, sleep
      • initiation or maintenance (see also Insomnia) 780.52
      • nonorganic origin 307.40
      • specified NEC 780.59
      • wakefulness (see also Hypersomnia) 780.54
        • nonorganic origin 307.43
    • wakefulness (initiation or maintenance) (see also Hypersomnia) 780.54
      • nonorganic origin 307.43
  • Hypersomnia, unspecified 780.54
    • nonorganic origin 307.43
      • persistent (primary) 307.44
      • transient 307.43
  • Somnolence 780.09
    • nonorganic origin 307.43
  • Wakefulness disorder (see also Hypersomnia) 780.54
    • nonorganic origin 307.43
 307.42 ICD9Data.com 307.44 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 307.43 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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