ICD-10-CM Diagnosis Code G44.009
Diagnosis Code: G44.009 (Raw: G44009)
Description: Cluster headache syndrome, unspecified, not intractable
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code G44.009 is designated for Cluster headache syndrome, unspecified, not intractable. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.