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Electrolytes
This test measures the main electrolytes in your body: sodium, chloride, potassium, and carbon dioxide.
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Endomysial Antibody
This test looks for certain antibodies in your blood that may mean you have celiac disease, an autoimmune disease.
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Entamoeba Histolytica Antibody
This test looks for antibodies to a parasite that causes the disease amebiasis. This disease is more common in tropical countries with poor sanitation.
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Erythrocyte Sedimentation Rate
This blood test is used to find out if you may have an active disease process in your body.
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Erythropoietin (Blood)
This test measures how much of the hormone erythropoietin you have in your blood. You may need this test to figure out what kind of anemia you have.
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Estradiol (Blood)
This test measures the amount of estradiol (E2), the form of estrogen made mainly by the ovaries.
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Factor I
This test measures the amount of a protein called factor I, or fibrinogen, in your blood. It helps find out if you have a bleeding or clotting disorder.
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Factor II
This test measures how much of the protein prothrombin, or factor II, is in your blood. It can help diagnose bleeding and clotting disorders.
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Factor X
This test checks for a deficiency in a protein in the blood known as Factor X. This protein helps with clotting.
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