These include accidental removal or damage of the parathyroid glands during a surgery; autoimmune disorders; congenital disorders; mutations that set the normal calcium levels to a lower value; other genetic disorders that produced underdeveloped or non-functional parathyroid glands magnesium deficiency.

包括手术中意外切除或损坏甲状旁腺；自身免疫性疾病；先天性疾病；使正常钙水平降低的突变；其他导致甲状旁腺发育不全或无功能性镁缺乏的遗传性疾病。