G44.00

Applicable To

• Ciliary neuralgia

• Cluster headache NOS

• Histamine cephalgia

• Lower half migraine

• Migrainous neuralgia

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

• G44.00 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM G44.00 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G44.00 – other international versions of ICD-10 G44.00 may differ.