Parathyroid Hormone Intact (iPTH)

To evaluate the function of parathyroid gland, to diagnose calcium imbalances in the body, to diagnose and differentiate hyperparathyroidism, to diagnose hypoparathyroidism, to confirm removal of the parathyroid gland during surgery which is the likely cause of hyperparathyroiddism.

When calcium levels in blood are low or high, prior to a surgery for hyperparathyroidism, to determine how well the parathyroid glands are functioning.