PTH (parathyroid hormone) is produced by the parathyroid glands and regulates calcium and phosphorus levels in the blood. It increases calcium levels by stimulating bone resorption and calcium absorp…
Category: Hormones
Also known as: pth, parathyroid hormone, intact pth, parathormone, ipth
Reference range: 15–65 pg/mL (Source: ABIM)
Standard unit: pg/mL
High values may indicate
High PTH levels may indicate primary hyperparathyroidism (parathyroid adenoma), secondary hyperparathyroidism (from vitamin D deficiency or chronic kidney disease), or parathyroid cancer.
Low values may indicate
Low PTH levels may indicate hypoparathyroidism (often after thyroid surgery), autoimmune parathyroid destruction, magnesium deficiency, or excessive calcium intake.