Calcitonin levels - Definition

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Calcitonin is naturally secreted by the thyroid gland to regulate calcium and phosphorus by promoting their elimination. The calcitonin levels in the blood are monitored when thyroid cancer is suspected or when there is a family history of thyroid tumors. The standard is 10 picograms per ml. Other cancers such as pancreatic, lung, or liver cancer may increase the rate of calcitonin.