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Coarctation of the Aorta (COA) in Children
Coarctation of the aorta is a heart defect that's present at birth (congenital). It means that the aorta is narrower than it should be. Read on to learn details about the condition.
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Rapid Detection of Respiratory Syncytial Virus
This test looks at cells taken from fluid in your nose or throat to see if you have respiratory syncytial virus (RSV), which attacks the upper respiratory tract.
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Red Blood Cell Count
A red blood cell (RBC) count is a blood test that measures the number of red blood cells, or erythrocytes, in your bloodstream.
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Rheumatoid Factor (Blood)
This test measures the level of a substance called rheumatoid factor in your blood. It helps your doctor find out whether you have rheumatoid arthritis.
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Rocky Mountain Spotted Fever (Blood)
This blood test is used to look for antibodies that your body makes to fight Rocky Mountain spotted fever, a serious bacterial infection caused by a tick bite.
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Rubella
This test measures the amount of rubella antibodies in your blood. If you're pregnant, it's especially important to know if you have immunity against this virus.
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Uniparental Disomy
This test is used to see if a child has certain chromosome changes.
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Urea Nitrogen Clearance (Urine)
This test measures the amount of urea nitrogen in your urine. The test can help diagnose kidney problems.
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Varicella-Zoster Virus Antibody
This test looks for antibodies in your blood that your body makes against the varicella-zoster virus. The virus causes chickenpox and shingles.
Learn More Varicella-Zoster Virus Antibody
Showing 6724 - 6732 of 12497 results