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Osmolality (Urine)
This test measures the concentration of particles in your urine. It finds out if your electrolyte balance is normal and if your kidneys are working correctly.
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Pancreatic Polypeptide
This test measures a substance in your blood called pancreatic polypeptide. Higher levels may mean you have a type of pancreatic tumor.
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Pap
This screening test looks for abnormal cells in the cervix. If abnormal cells are found, your health care provider can treat them right away, before they become cancer.
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Parathyroid Hormone
This test measures a substance called parathyroid hormone in your blood. This hormone is needed to help regulate the level of calcium in your blood.
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Parvovirus
This test checks for a current or past infection with the virus that causes fifth disease in children.
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Phenobarbital
This test measures the amount of the medicine phenobarbital in your blood. Phenobarbital is used to treat epilepsy.
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Phenytoin
This test checks the level of the seizure medicine phenytoin (Dilantin) in your blood.
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Phosphorus
This blood test checks the level of phosphorus in your body.
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Plasmodium (Blood)
This test looks for Plasmodium parasites in your blood. The parasites cause malaria, a serious disease that can be fatal if left untreated.
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