Home > 2012 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > Organic sleep disorders 327-
Specific code 2012 ICD-9-CM Diagnosis Code 327.01
Insomnia due to medical condition classified elsewhere
  • Short description: Insomnia in other dis.
  • ICD-9-CM 327.01 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 327.01 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 2012 version of ICD-9-CM 327.01.
  • More recent version(s) of ICD-9-CM 327.01: 2013 2014 2015.
Convert to ICD-10-CM: 327.01 converts approximately to:
  • 2015/16 ICD-10-CM G47.01 Insomnia due to medical condition
Approximate Synonyms
  • Hyposomina due to medical disorder
  • Hyposomnia due to medical disorder
  • Insomnia due to nocturnal myoclonus
  • Insomnia, due to nocturnal myoclonus
  • Sleep disorder due to a medical condition, hyposomnia
327.01 Excludes
  • insomnia due to mental disorder (327.02)
Code First
  • Code first underlying condition
ICD-9-CM Volume 2 Index entries containing back-references to 327.01:
  • Insomnia, unspecified 780.52
    • due to
      • medical condition classified elsewhere 327.01
      • mental disorder 327.02
 327.00 ICD9Data.com 327.02 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 327.01 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.
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