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ACTH (Blood)
This blood test measures the amount of adrenocorticotripic hormone (ACTH) the pituitary gland produces.
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Albumin (Blood)
This test measures the amount of the protein albumin in your blood. The test can help diagnose liver and kidney problems.
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Albumin (Urine)
This test looks for a protein called albumin in your urine. The test is used to check for kidney damage or disease.
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Aldosterone and Renin
This blood test measures levels of aldosterone and renin.
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Alpha-Fetoprotein (Maternal Blood)
If you are pregnant, this test looks for a fetal substance called alpha-fetoprotein in your blood. Higher levels of AFP may mean your fetus has a birth defect.
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ALT
This test measures the amount of a certain enzyme in your blood. High levels are a sign of liver damage.
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Ammonia
This test checks the amount of ammonia in your blood. Ammonia may build up in your body if you have kidney or liver failure.
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Amphetamine Screen (Urine)
This test detects the presence of amphetamine in your urine. This drug can show up in your urine long after you've taken it.
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Amylase (Blood)
This test measures the level of the enzyme amylase in your blood. Amylase levels in your blood rise when your pancreas or your salivary glands are inflamed.
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