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Creatinine Clearance
This test measures how well your kidneys are working and how well blood is flowing to them.
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Creatinine (Blood)
This blood test measures how well your kidneys work.
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Complement C4 (Blood)
This test measures the amount of a protein called C4 in your blood. You may need this test if your doctor suspects that you have an autoimmune disease.
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Complete Blood Count
This test looks at the number and size of various blood cells to help judge your overall health or to diagnose a range of illnesses, from anemia to infections.
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Campylobacter Culture (Stool)
This test looks for harmful bacteria called Campylobacter in a culture sample from a bowel movement (stool).
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Cannabinoid Screen and Confirmation (Urine)
This is a 2-part test to look for THC in your urine. THC is the active ingredient in marijuana.
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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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Carcinoembryonic Antigen
This test measures a protein called carcinoembryonic antigen (CEA) in your blood. This protein is found on some types of cancer cells.
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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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