Home > 2012 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Other Headache Syndromes 339-339 > Other headache syndromes 339-
Specific code 2012 ICD-9-CM Diagnosis Code 339.81
Hypnic headache
  • ICD-9-CM 339.81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 339.81 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 339.81.
  • More recent version(s) of ICD-9-CM 339.81: 2013 2014 2015.
Convert to ICD-10-CM: 339.81 converts directly to:
  • 2015/16 ICD-10-CM G44.81 Hypnic headache
Approximate Synonyms
  • Headache, hypnic headache
  • Hypnic headache (associated with sleep)
ICD-9-CM Volume 2 Index entries containing back-references to 339.81:
  • Headache 784.0
    • hypnic 339.81
 339.8 ICD9Data.com 339.82 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 339.81 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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