Tests & Procedures

Tests and Procedures: A

  • Alpha-Fetoprotein (Amniotic Fluid)

    This test checks a sample of amniotic fluid to confirm a suspected birth defect called an open neural tube defect in your fetus. Spina bifida is an example of a neural tube defect.

  • Alpha-Fetoprotein (Blood)

    If you are pregnant, this test looks for a fetal substance called alpha-fetoprotein in your blood. Higher levels of AFP may mean your fetus has a birth defect.

  • Alpha-Fetoprotein Tumor Marker (Blood)

    This test looks for a protein in your blood that may mean that you have liver cancer or one of several other cancers.

  • ALT

    This test measures the amount of a certain enzyme in your blood. High levels are a sign of liver damage.

  • Ammonia

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

  • Amniocentesis

    Amniocentesis is a procedure used to take out a small sample of the amniotic fluid for testing.

  • Amphetamine Screen (Blood)

    This test measures the amount of a drug called amphetamine in your blood. The test is most commonly used to screen for drug abuse.

  • Amphetamine Screen (Urine)

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

  • Amputation

    An amputation is the surgical removal of a all or part of an arm or leg due to injury, infection, or injury.

  • Amylase (Blood)

    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.

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