This test determines whether you are infected with the hepatitis C virus, a virus that attacks the liver and can lead to liver disease.

This test looks for an abnormal type of hemoglobin called hemoglobin S in your blood. This type of hemoglobin can be a sign that you have sickle cell disease.

This test is the gold standard for determining whether you are pregnant. It shows that you are pregnant before an imaging test, such as an ultrasound, can do so.

This test measures the level of a protein called haptoglobin in your blood. Low levels may mean that you have a type of anemia.

This test measures the amount of anti-Hib IgG antibody in your blood. The test can find out how well your body has responded to the Hib vaccine.

This test measures the level of growth hormone in your blood. Too much of this hormone may mean you have a tumor in your pituitary gland.

This test measures the level of growth hormone in your blood by stimulating hormone production.

This test measures the amount of growth hormone in your blood. This hormone affects height, bone, and muscle growth in children. It affects how adults feel and look, as well as their bone and muscle health.

This test looks for growth hormone (GH) antibodies in your blood. These antibodies may mean that your growth treatment may not be working.

This test finds out whether you have a bacterial infection. Samples for this test may be collected from different areas of the body, such as a knee joint or the throat.