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G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)

G44.00 Cluster headache syndrome, unspecified Ciliary neuralgiaCluster headache NOSHistamine cephalgiaLower half migraineMigrainous neuralgia

G44.001-G44.009
G44.01 Episodic cluster headache

G44.011-G44.019
G44.02 Chronic cluster headache

G44.021-G44.029
G44.03 Episodic paroxysmal hemicrania Paroxysmal hemicrania NOS

G44.031-G44.039
G44.04 Chronic paroxysmal hemicrania

G44.041-G44.049
G44.05 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)

G44.051-G44.059
G44.09 Other trigeminal autonomic cephalgias (TAC)

G44.091-G44.099

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