This test measures how much insulin your body makes. This is important if you have hypoglycemia or other issues related to diabetes.

This test looks for Borrelia antibodies in your cerebrospinal fluid (CSF). Borrelia burgdorferi bacteria cause Lyme disease.

This test measures the level of Borrelia antibodies in your blood. Borrelia burgdorferi bacteria cause Lyme disease.

This test checks for Bordetella pertussis antibodies in your blood. B. pertussis are the bacteria that cause pertussis, or whooping cough.

This is a set of tests that looks for harmful interactions between your blood and donor blood. The tests are done before a blood transfusion.

This test looks for bilirubin in your blood or urine. The test is often done to look for liver problems, such as hepatitis, or blockages, such as gallstones.

This test is used to find out whether you have pancreatitis or another pancreas-related disorder.

This test measures the level of the enzyme amylase in your blood. Amylase levels in your blood rise when your pancreas or your salivary glands are inflamed.

This test detects the presence of amphetamine in your urine. This drug can show up in your urine long after you've taken it.

This test checks the amount of ammonia in your blood. Ammonia may build up in your body if you have kidney or liver failure.