ICD-10-CM › G00-G99 › G40-G47 › G44 Other headache syndromes › G44.0
G44.0
Cluster headaches and other trigeminal autonomic cephalgias (TAC)
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 7 more specific codes instead:
- G44.00 Cluster headache syndrome, unspecified (also a header)
- G44.01 Episodic cluster headache (also a header)
- G44.02 Chronic cluster headache (also a header)
- G44.03 Episodic paroxysmal hemicrania (also a header)
- G44.04 Chronic paroxysmal hemicrania (also a header)
- G44.05 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) (also a header)
- G44.09 Other trigeminal autonomic cephalgias (TAC) (also a header)
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Cluster headaches and other trigeminal autonomic cephalgias (TAC)
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from G44 Other headache syndromes
Excludes1 - never coded here
- headache NOS (R51.9)
Excludes2 - not included here
- atypical facial pain (G50.1)
- headache due to lumbar puncture (G97.1)
- migraines (G43.-)
- trigeminal neuralgia (G50.0)
Codes in the same group
| Code | Description | Status |
|---|---|---|
| G44.1 | Vascular headache, not elsewhere classified | Valid |
| G44.2 | Tension-type headache | Not billable |
| G44.3 | Post-traumatic headache | Not billable |
| G44.4 | Drug-induced headache, not elsewhere classified | Not billable |
| G44.5 | Complicated headache syndromes | Not billable |
| G44.8 | Other specified headache syndromes | Not billable |