Cephalgia, cephalalgia - in the ICD-10-CM Index

Browse the ICD-10-CM codes with references applicable to the clinical term "cephalgia, cephalalgia"

• Cephalgia, cephalalgia - See Also: Headache;

  • histamine - G44.009 Cluster headache syndrome, unspecified, not intractable

    • intractable - G44.001 Cluster headache syndrome, unspecified, intractable

    • not intractable - G44.009 Cluster headache syndrome, unspecified, not intractable

  • trigeminal autonomic (TAC) NEC - G44.099 Other trigeminal autonomic cephalgias (TAC), not intractable

    • intractable - G44.091 Other trigeminal autonomic cephalgias (TAC), intractable

    • not intractable - G44.099 Other trigeminal autonomic cephalgias (TAC), not intractable

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.