Parathyroid hormone (PTH) is a hormone your parathyroid glands release to control calcium levels in your blood. It also controls phosphorus and vitamin D levels.

Sep 25, 2024 · PTH is made by four tiny parathyroid glands in your neck. These glands control calcium levels in your blood. When calcium levels are too low, the glands release PTH to bring the calcium...

Sep 19, 2025 · There are two types of hyperparathyroidism. In primary hyperparathyroidism, one or more of the parathyroid glands makes too much parathyroid hormone. Too much parathyroid …

This test measures the level of parathyroid hormone (PTH) in your blood. PTH controls the level of calcium in your blood, which is key to good health. Learn more.

Jul 7, 2025 · Normal PTH levels can be misleading—especially if your calcium is high. Learn how to interpret parathyroid hormone levels accurately with expert insight from the Norman Parathyroid Center.

A parathyroid hormone (PTH) blood test measures the level of parathyroid hormone in the blood. This test is used to help identify hyperparathyroidism and hypoparathyroidism, to find the cause of …

Parathyroid hormone has a primary function: regulating calcium and phosphate levels in the blood. When blood calcium levels fall, the parathyroid glands release PTH, which then stimulates the …

Sep 6, 2024 · In a healthy person, a low level of calcium in the blood triggers the release of PTH from the parathyroid glands. This raises the amount of calcium in the blood. On the other hand, if a …

Parathyroid hormone (PTH), also known as parathormone or parathyrin, is a peptide hormone secreted by the parathyroid glands. It plays a critical role in regulating serum calcium and phosphate levels …

Learn about parathyroid hormone (PTH) levels, their role in calcium balance, and what high or low PTH levels mean for your health. Find symptoms, causes, and treatment options.