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Health Library
Hepatitis B Surface Antigen
This blood test looks for hepatitis B surface antigens. It is used to find out whether you have a recent or long-standing infection from the hepatitis B virus.
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Platelet Antibody
This test looks for platelet antibodies in your blood to find out the cause of a low platelet count.
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Prolactin (Blood)
This test measures the level of prolactin in your blood. The test can help find out if you have a pituitary gland tumor.
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Protein C (Blood)
This test measures the level of protein C in your blood. If you have too little protein C, called a protein C deficiency, it means that your blood may clot too much.
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Magnesium (Blood)
This test measures the amount of magnesium in your blood. Too little or too much of this mineral can mean you have certain health problems.
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Antidiuretic Hormone
This test measures the amount of antidiuretic hormone (ADH) in your blood. ADH regulates your body's balance of water.
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Antimitochondrial Antibody and Antimitochondrial M2 Antibody
This test looks for certain substances in your blood that may mean you have a form of liver disease.
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Apolipoprotein B-100
This test measures the amount of a certain type of cholesterol in your blood. It helps your health care provider determine your risk for cardiovascular disease, a disease affecting your heart and blood vessels.
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Mycoplasma (Sputum)
This test looks at sputum, or the mucus from your lower airways. It finds out whether you have a lung infection caused by a certain organism.
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