PTH Intact

CPT Code


Specimen Type


Container Type

Serum Separator Tube (SST)/Yellow


Room Temperature, < 4 hours; 2-8°C, 2 days; -20°C, 6 months

Handling Instructions

Allow to clot for 30 mins, centrifuge within 2 hours

Clinical Notes

Parathyroid hormone (PTH) is a chemical made by the parathyroid glands. These small, almond-shaped glands are located in the neck, near or behind the thyroid gland. PTH controls blood levels of calcium, phosphorus, and Vitamin D.

Performing Lab

Principle Laboratory - Dallas
6210 N Belt Line Rd
Irving, TX 75063

Principle Laboratory - Houston
16840 Buccaneer Ln
Suite 281
Houston, TX 77058