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

This test is used to find out how well your liver is working. A small amount of bilirubin in your blood is normal. Too much may be a sign of liver disease.

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

This test helps determine whether you have been infected with tuberculosis (TB).

This blood test is done to find out if you have been infected with tuberculosis (TB).

This test looks for specific gene changes in a sample of your blood. These gene changes cause most cases of Tay-Sachs disease.

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

This test looks for a substance that can appear in your blood if you have hairy cell leukemia.

This test measures the level of the hormone thyroxine (T4) in your blood. This test can show whether your thyroid gland is overactive (hyperthyroidism) or underactive (hypothyroidism).

This test finds and counts 3 types of white blood cells in your blood. White blood cells help your body fight off infections and illness.