ICD-10-CM G44.021: Chronic cluster headache, intractable

Parent Code (Less Specific):

About ICD-10-CM Code G44.021 (Chronic cluster headache)

ICD-10-CM code G44.021 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G44.021 became effective on October 1, 2024.

This page provides detailed information about G44.021 - Chronic cluster headache, intractable. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Chronic cluster headache related to intractable.