Tests & Procedures

Tests and Procedures: L

  • LDL Cholesterol

    This test measures the amount of LDL cholesterol in your blood. It may be done as part of a routine exam for high cholesterol.

  • Lead (Blood)

    This test measures the amount of lead in your child’s blood. High levels of lead in the blood can be toxic.

  • Lead Extraction

    Many people have surgically implanted cardiac devices. These devices include pacemakers and implantable cardioverter defibrillators or ICDs. Pacemakers can help treat slow heart rhythms, and ICDs stop dangerous rapid heart rhythms.

  • 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.

  • Legionella Antibody

    This test looks for an antibody that may be in your blood if you have Legionnaires’ disease. This disease is a type of pneumonia or serious lung infection.

  • Leptin (Blood)

    This test measures the amount of leptin in your blood. The test can help figure out how much body fat you have.

  • Lipase

    This test measures the amount of lipase in your blood. Lipase is an enzyme that is made by your pancreas. Higher levels may mean you have a problem with your pancreas.

  • Lipid Panel

    This group of tests measures the amount of cholesterol and other fats in your blood.

  • Lipid Panel with Non-HDL Cholesterol

    This test measures your level of LDL ("bad") cholesterol. The higher your LDL levels, the greater your risk for heart disease.

  • Lipid Panel with Total Cholesterol: HDL Ratio

    This group of tests measures the amount of cholesterol and triglycerides in your blood. This test looks at the ratio between total and HDL cholesterol levels.

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