Consistently seen across several case reports and case series over the past 5 years [17–23], management of hypercalcemia secondary to hypervitaminosis D consisted of aggressive intravenous fluid resuscitation, diuretic therapy, calcitonin, and bisphosphonate therapy (alendronate, pamidronate, or zoledronic acid). The gene discussed is CALCA; the disease is hypercalcemia disease.