Ratio of 25OHD-to-2425OH2D A new test to confirm 24-hydroxylase CYP24A1 deficiency as the cause of hypercalcemia Share Doximity Facebook LinkedIn Twitter Print details MAC-20430939 Profesionales médicos Ratio of 25OHD-to-2425OH2D A new test to confirm 24-hydroxylase CYP24A1 deficiency as the cause of hypercalcemia