Tests & Procedures

Tests and Procedures: D

  • Dacryocystorhinostomy

    A dacryocystorhinostomy (DCR) is a type of surgery done to create a new tear drain between your eyes and nose. You may need this surgery if your own tear duct has become blocked.

  • D-Dimer

    This test is used to rule out whether you have a blood clot. When blood clots form and start to break down, they release the substance D-dimer into the blood.

  • Deamidated Gliadin Antibody

    This test helps your healthcare provider find out whether you have celiac disease, an autoimmune disorder.

  • Deep Brain Stimulation (DBS)

    Deep brain stimulation (DBS) is a type of therapy that uses electrical stimulation to treat neurological conditions such as Parkinson disease (PD), essential tremor, and multiple sclerosis. It can ease symptoms and decrease the amount of medications you need, and improve your quality of life.

  • Dehydroepiandrosterone and Dehydroepiandrosterone Sulfate

    This test measures the level of DHEA and DHEA-S in your blood. It may also be used to check how well your adrenal glands are working.

  • Diabetes Autoantibody Panel

    This blood test checks for substances called antibodies. These are made by your body in response to insulin and other chemicals related to insulin. It is used to find out whether you have type 1 or type 2 diabetes.

  • Digoxin Medicine Level

    This test measures the amount of the heart medicine digoxin in your blood. When you take digoxin, it’s important that the medicine be at the right level for you to benefit from it.

  • Dilation and Curettage (D&C)

    Dilation and curettage or D&C is surgery to remove abnormal tissues in the uterus.

  • Diphtheria Antitoxoid Antibody

    This test measures the level of diphtheria antibodies in your blood. Diphtheria is extremely rare in the U.S., but you may be at risk if you have traveled to an area where the disease is common.

  • Direct Antiglobulin

    The direct antiglobulin test, or direct Coombs test, is a blood test used to diagnose a type of anemia caused by your immune system.

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