This test measures a substance called parathyroid hormone in your blood. This hormone is needed to help regulate the level of calcium in your blood.

This screening test looks for abnormal cells in the cervix. If abnormal cells are found, your healthcare provider can treat them right away, before they become cancer.

This test checks for an infection from the Yersinia bacteria. This infection is also called yersiniosis.

This test measures the number of white blood cells in your blood. When you get sick, your white blood cell count is higher than normal because your body is releasing more of these cells to fight the infection.

This is a blood test that checks for West Nile virus, an infection that usually affects birds. It can be spread to people through the bite of an infected mosquito.

This test measures the amount of trypsinogen in the blood. Trypsinogen is secreted by the pancrease to help with digestion.

This test looks for a parasite that can infect an unborn child. A pregnant woman can pick up this parasite by eating undercooked meat, drinking contaminated water, or handling cat feces.

This test measures the amount of copper in your blood. Too little or too much copper can cause health problems.

The TORCH panel test is used to help diagnose infections that could harm the unborn baby during pregnancy.

This test checks for proteins in the cerebrospinal fluid to help healthcare providers diagnose Alzheimer disease.