Other headache syndromes
Notes: Ciliary neuralgia ; Cluster headache NOS ; Histamine cephalgia ; Lower half migraine ; Migrainous neuralgia ; Cluster headache syndrome NOS ; Episodic cluster headache NOS ; Chronic cluster headache NOS ; Paroxysmal hemicrania NOS ; Episodic paroxysmal hemicrania NOS ; Chronic paroxysmal hemicrania NOS ; Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS ; Tension headache NOS ; Episodic tension-type headache NOS ; Chronic tension-type headache NOS ; Post-traumatic headache NOS ; Acute post-traumatic headache NOS ; Chronic post-traumatic headache NOS ; Medication overuse headache ; Orgasmic headache ; Preorgasmic headache ; code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) ; headache NOS (R51.9) ; atypical facial pain (G50.1) ; headache due to lumbar puncture (G97.1) ; migraines (G43.-) ; trigeminal neuralgia (G50.0) ; cluster headache (G44.0) ; complicated headache syndromes (G44.5-) ; drug-induced headache (G44.4-) ; migraine (G43.-) ; other specified headache syndromes (G44.8-) ; post-traumatic headache (G44.3-) ; tension-type headache (G44.2-) ; headache with orthostatic or positional component, not elsewhere classified (R51.0)