SEARCH
Looking for a doctor? Try our Find a Doctor Search
Showing 1549-1557 of 12498 results
Health Library
Lecithin-Sphingomyelin Ratio (Amniotic Fluid)
This test measures two substances found in amniotic fluid near the end of pregnancy. The amounts can tell your doctor how mature your unborn baby's lungs are.
Learn More Lecithin-Sphingomyelin Ratio (Amniotic Fluid)
Health Library
Lupus Anticoagulant
This is a special blood test to find out if your body is making certain antibodies or proteins that cause you to have a blood-clotting disorder.
Learn More Lupus Anticoagulant
Health Library
Luteinizing Hormone (Blood)
This test measures the level of luteinizing hormone in your blood. It can help figure out the cause of infertility or diagnose a pituitary disorder. Read on to learn more about this test.
Learn More Luteinizing Hormone (Blood)
Health Library
Magnesium (Blood)
This test measures the amount of magnesium in your blood. Too little or too much of this mineral can mean you have certain health problems.
Learn More Magnesium (Blood)
Health Library
MDMA Drug Screen (Urine)
This is a urine test to screen for MDMA, a street drug also known as Ecstasy.
Learn More MDMA Drug Screen (Urine)
Health Library
Mercury (Blood)
This test measures the amount of mercury in your blood. You can be exposed to mercury from polluted air or water, if you work in an industry that still uses mercury, from eating fish that are high in mercury, and from some complementary and alternative health remedies.
Learn More Mercury (Blood)
Health Library
Mercury (Urine)
This test measures the amount of mercury in your urine. Long-term exposure to mercury can cause kidney and brain damage.
Learn More Mercury (Urine)
Health Library
Metanephrines (Urine)
This urine test measures the amount of metanephrines your body makes over a 24-hour period.
Learn More Metanephrines (Urine)
Health Library
Metanephrines (Blood)
This test measures the substances metanephrine and normetanephrine in your blood. It helps find out if you have a tumor of the adrenal glands.
Learn More Metanephrines (Blood)
Showing 1549 - 1557 of 12498 results