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Bartonella Antibody
This blood test screens for exposure to Bartonella henselae, the bacteria that cause cat scratch disease.
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Benzodiazepines (Urine)
This is a urine test to screen for a class of medicines called benzodiazepines. These medicines are sometimes called tranquilizers, sleeping pills, and muscle relaxants.
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Bicarbonate
This test measures the amount of bicarbonate, a form of carbon dioxide, in your blood.
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Total Carbon Dioxide (Blood)
This test measures the amount of carbon dioxide in your blood. Normally, carbon dioxide in your bloodstream causes no problems, but if you have far too much or too little of it, you may have a disease or a medical emergency.
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Carbon Monoxide (Blood)
This test measures the level of carbon monoxide in your blood. You may need this test if you have smoke inhalation or symptoms of CO poisoning.
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Cardiac Biomarkers (Blood)
This test measures the levels of cardiac biomarkers in your blood. Some of these markers might show up because you've had a heart attack.
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Catecholamines (Blood)
This test measures the levels of catecholamines in your blood. The catecholamine hormones are adrenaline (epinephrine), norepinephrine, and dopamine.
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CCP
This blood test checks for an amino acid called citrulline. It is present when you have rheumatoid arthritis.
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CD4-CD8 Ratio
This test looks at the ratio of 2 important types of white blood cells in your blood. If you have HIV, the results can help your health care provider know how strong your immune system is.
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