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Lithium
This test measures and checks the amount of lithium in your blood. Lithium is a medicine used to treat certain psychiatric illnesses.
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Lactose Tolerance (Blood)
This test tells whether your body is able to break down lactose, a sugar found in milk and other dairy products. If you can't digest lactose, you have lactose intolerance.
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Salicylate (Blood)
This test looks for high levels of salicylate, the main ingredient in aspirin. It may be used to diagnose an aspirin overdose or to keep track of people taking high doses for arthritis.
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Factor XI
This test measures the amount of factor XI in your blood. Factor XI is a substance that plays an important role in blood clotting.
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Hypoglycemia
Hypoglycemia is low blood sugar (glucose). Learn about this condition, including causes, symptoms, diagnosis, treatment, and prevention.
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Gastrin
This test measures the amount of the hormone gastrin in your blood. You may need this test if you have recurrent peptic ulcers.
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HSV DNA (CSF)
This test finds out if you have DNA from the herpes simplex virus in your nervous system. It can help diagnose encephalitis and meningitis.
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Factor VIII (Antihemophilic Factor A)
This test helps find out if you have hemophilia A or another clotting disorder.
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Epidermoid Cysts of the Skin
Epidermoid cysts are typically harmless, slow-growing bumps under the skin. Learn more about symptoms, diagnosis, and treatments.
Learn More Epidermoid Cysts of the Skin
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