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What is the purpose of a 24-hour urine test?

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Quick Answer

There are many purposes of collecting a 24-hour urine test, including checking for proteins, sodium, urea and aldosterone levels and checking creatinine levels in order to determine kidney function, claims MedicineNet. A 24-hour urine test may also be required to check for a hormone known as 5-HIAA.

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Full Answer

Although it is most commonly used for checking kidney problems, a 24-hour urine test is also used to measure the amount of hormones, chemical compounds and minerals in the body, according to the University of Rochester Medical Center. Common procedures for completing a 24-hour urine test include remembering the time when first urination began, storing the urine in a cool area throughout the 24 hours and sending it to a lab for tests.

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