G44.0
Cluster headaches and other trigeminal autonomic cephalgias (TAC)
- Release
- FY 2027
- Effective
Hierarchy
Where G44.0 sits in the official hierarchy. Each level is the code it is classified under.
- G44 Parent Other headache syndromes
- G44.0 This code Cluster headaches and other trigeminal autonomic cephalgias (TAC)
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
More Specific Codes
7 codes under G44.0
- G44.00 Cluster headache syndrome, unspecified Has subcodes
- G44.01 Episodic cluster headache Has subcodes
- G44.02 Chronic cluster headache Has subcodes
- G44.03 Episodic paroxysmal hemicrania Has subcodes
- G44.04 Chronic paroxysmal hemicrania Has subcodes
- G44.05 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) Has subcodes
- G44.09 Other trigeminal autonomic cephalgias (TAC) Has subcodes
Version History
How G44.0 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentCluster headaches and other trigeminal autonomic cephalgias (TAC)
-
FY 2026 Effective
UnchangedCluster headaches and other trigeminal autonomic cephalgias (TAC)
Related Codes
Other codes under G44
Codes whose official notes reference G44.0
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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