The Intact Parathyroid Hormone (PTH) Test is a blood test that measures the level of parathyroid hormone produced by the parathyroid glands. PTH plays a crucial role in regulating calcium and phosphorus levels in the body.
This test helps diagnose conditions related to abnormal calcium metabolism, such as hyperparathyroidism (excess PTH) and hypoparathyroidism (low PTH). It is also commonly used in patients with kidney disease, as impaired kidney function can affect calcium and PTH levels.
The purpose of this test is to: