Parathyroid Hormone (PTH)

731.00

This test measures the level of parathyroid hormone (PTH) in the blood. PTH, also known as parathormone, is made by your parathyroid glands. These are four pea-sized glands in your neck. PTH controls the level of calcium in the blood. Calcium is a mineral that keeps your bones and teeth healthy and strong. It’s also essential for the proper functioning of your nerves, muscles, and heart.

If calcium blood levels are too low, your parathyroid glands will release PTH into the blood. This causes calcium levels to rise. If calcium blood levels are too high, these glands will stop making PTH.

PTH levels that are too high or too low can cause serious health problems. You probably won’t need any special preparations for a PTH test, but check with your health care provider. Some providers may ask you to fast (not eat or drink) before your test, or may want you to take the test at a certain time of day.

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