Specific code 2014 ICD-9-CM Diagnosis Code 339.00
Cluster headache syndrome, unspecified
  • Billable Code
  • Short description: Cluster headache syn NOS.
  • ICD-9-CM 339.00 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 339.00 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Allergic headache
  • Cluster headache
  • Cluster headache syndrome
  • Cluster headache, intractable
  • Headache, allergic
  • Headache, cluster
  • Intractable cluster headache (disorder)
Applies To
  • Ciliary neuralgia
  • Cluster headache NOS
  • Histamine cephalgia
  • Lower half migraine
  • Migrainous neuralgia
Convert to ICD-10-CM: 339.00 converts approximately to:
  • 2014 ICD-10-CM G44.009 Cluster headache syndrome, unspecified, not intractable
ICD-9-CM Volume 2 Index entries containing back-references to 339.00:
  • Allergy, allergic (reaction) 995.3
    • migraine 339.00
  • Bing-Horton syndrome (histamine cephalgia) 339.00
  • Cephalgia, cephalagia (see also Headache) 784.0
    • histamine 339.00
  • Headache 784.0
    • allergic 339.00
    • histamine 339.00
    • syndrome
      • cluster 339.00
      • complicated NEC 339.44
      • periodic in child or adolescent 346.2
      • specified NEC 339.89
  • Histamine cephalgia 339.00
  • Horton's
    • headache or neuralgia 339.00
  • Migraine (idiopathic) 346.9
    • lower-half 339.00
  • Neuralgia, neuralgic (acute) (see also Neuritis) 729.2
    • ciliary 339.00
    • Horton's 339.00
    • migrainous 339.00
  • Syndrome - see also Disease
    • Bing-Horton's 339.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 339.00 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.