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You are here : 3-RX.com > Medical Encyclopedia > Tests and Exams > 24-Hour Urine Test
      Category : Health Centers > Urinary System & Kidneys

24-Hour Urine Test

Overview & Description | Preparation & Expectations | Results and Values

A 24-hour urine test measures the amount of urine a person produces in one day. It may be done with other tests to measure the excretion of certain substances into urine over a 24-hour period.

Who is a candidate for the test?

A 24-hour urine test may be ordered when a person has developed disorders in urine production. It provides information about the function of the kidneys.

How is the test performed?

This test is simple and can be done at home. The healthcare provider may give specific instructions on how to collect the sample. In general, this is the recommended schedule:

Day 1: The person urinates when he or she gets up. A sample is not collected at that time. For the rest of the day, however, the person uses a special container to collect all urine produced for the next 24 hours.

Day 2: Upon arising, the person urinates into the container. He or she then covers it and refrigerates it until delivering it to the doctor.


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24-Hour Urine Test: Preparation & Expectations

Author: David T. Moran, MD
Reviewer: Eileen McLaughlin, RN, BSN
Date Reviewed: 08/13/01

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