Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
24hrs; Also offered STAT at an additional charge
Centrifuge required?: Yes
Phosphorus tests are most often ordered along with other tests, such as those for calcium, parathyroid hormone (PTH), and/or vitamin D, to help diagnose and/or monitor treatment of various conditions that cause calcium and phosphorus imbalances.