Specific code 2015 ICD-9-CM Diagnosis Code 339.21
Acute post-traumatic headache
  • 2015
  • Billable Code
  • ICD-9-CM 339.21 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 339.21 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Acute intractable posttraumatic headache (disorder)
  • Acute posttraumatic headache (finding)
  • Headache, post traumatic, acute
  • Posttraumatic headache, acute
  • Posttraumatic headache, acute, intractable
Convert to ICD-10-CM: 339.21 converts approximately to:
  • 2015 ICD-10-CM G44.319 Acute post-traumatic headache, not intractable
ICD-9-CM Volume 2 Index entries containing back-references to 339.21:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 339.21 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.