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Code of the Day

Tuesday, October 27, 2026

Share card for G44.049
ICD-10-CM 2026

G44.049

Chronic paroxysmal hemicrania, not intractable

Editorial Notes

Think severe, ultra-frequent headache attacks that target one side of the head dozens of times a day. G44.049 identifies chronic paroxysmal hemicrania that is not intractable, a rare trigeminal autonomic cephalalgia. While often confused with cluster headaches, this condition typically responds completely to indomethacin. Proper documentation of attack frequency and treatment response is critical for clean coding.