G44.009

Applicable To

• Cluster headache syndrome NOS

Approximate Synonyms

• Cluster headache

• Headache, cluster

Clinical Information

• A primary headache disorder that is characterized by severe, strictly unilateral pain which is orbital, supraorbital, temporal or in any combination of these sites, lasting 15-180 min. Occurring 1 to 8 times a day. The attacks are associated with one or more of the following, all of which are ipsilateral: conjunctival injection, lacrimation, nasal congestion, rhinorrhea, facial sweating, eyelid edema, and miosis. international classification of headache disorders, 2nd ed. Cephalalgia 2004: suppl 1)

Details

• G44.009 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G44.009 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G44.009 – other international versions of ICD-10 G44.009 may differ.