G44.00
Cluster headache syndrome, unspecified
Non-billableCategory
Coding Guidelines
Inclusion Terms
- Ciliary neuralgia
- Cluster headache NOS
- Histamine cephalgia
- Lower half migraine
- Migrainous neuralgia
Specific Codes (2)
Related Codes
G44.01Category
Episodic cluster headache
G44.02Category
Chronic cluster headache
G44.03Category
Episodic paroxysmal hemicrania
G44.04Category
Chronic paroxysmal hemicrania
G44.05Category
Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)
G44.09Category
Other trigeminal autonomic cephalgias (TAC)


