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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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Ceruloplasmin (Blood)
This test measures the amount of copper-containing protein in the blood. It can help diagnose copper disorders like Wilson disease.
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Comprehensive Metabolic Panel
This test is a screening panel of 14 tests that look at your metabolism. The tests help see how well your liver and kidneys are working.
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24-Hour Urine Cortisol
This urine test measure the level of the hormone cortisol, which helps your body manage stress.
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Cortisol (Blood)
This test may help in the diagnosis of two fairly uncommon medical conditions: Cushing syndrome and Addison disease. The test also screens for other diseases that affect your pituitary and adrenal glands.
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Creatine Kinase MB (Blood)
This test measures the amount of the enzyme creatine kinase in your blood. A certain form of this enzyme can help find out whether you're having a heart attack.
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Creatine Kinase MB/Creatine Kinase Ratio
This test measures the amount of creatine kinase (CK), an enzyme, in your blood. The test can help your doctor find out whether you're having a heart attack.
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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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