"Cephalgia, cephalalgia" References in the ICD-10-CM Index to Diseases and Injuries
- Cephalgia, cephalalgia - See Also: Headache;
- histamine - G44.009 Cluster headache syndrome, unspecified, not intractable
- trigeminal autonomic (TAC) NEC - G44.099 Other trigeminal autonomic cephalgias (TAC), not intractable
Applicable Clinical Terms Definitions
Histamine: An amine derived by enzymatic decarboxylation of HISTIDINE. It is a powerful stimulant of gastric secretion, a constrictor of bronchial smooth muscle, a vasodilator, and also a centrally acting neurotransmitter.