Learn more about calcitonin, a hormone that plays a crucial role in regulating calcium levels and bone health. Visit Lab Tests Guide for detailed insights on its functions, testing procedures, and clinical significance. Grownup dosages of calcitonin for controlling postmenopausal osteoporosis, Paget sickness of bone, and hypercalcemia are stated underneath. https://www.labtestsguide.com/bun-creatinine-ratio