Also known as: Intact PTH; "Biointact" PTH; Parathormone
Formal name: Parathyroid Hormone
Related tests: Calcium; Phosphorus; Magnesium; Vitamin D
Why should I do it?
To determine the cause of calcium imbalances; to evaluate parathyroid function; to diagnose and differentiate between primary, secondary and tertiary Hyperparathyroidism; to diagnose hypoparathyroidism; during surgery for hyperparathyroidism, to confirm removal of the gland(s) causing the problem
When should I do it?
When calcium blood levels are higher or lower than normal; when you are having surgery for hyperparathyroidism; when your doctor wants to determine how well Your Barathyroid glands are functioning
What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm
Test Preparation Needed?
Since PTH levels vary during the day, samples are usually collected about 8 a.m. Talk to your doctor about sample timing. Current practices do not require fasting.