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Also Known As: Parathormone, Intact PTH

Parathyroid hormone (PTH) testing measures the level of this hormone in your blood. PTH is made by the parathyroid glands, which are four pea-sized glands located in the neck.

PTH controls the level of calcium in your blood and bones. It also helps regulate blood levels of phosphorus and vitamin D.

If you have too much or too little PTH, it can cause abnormalities in blood calcium levels that may lead to serious health problems.

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