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A 24-hour urine collection is a simple lab test that measures what's in your urine. The test is used to check kidney function. A 24-hour urine collection is done by collecting your urine in a special container over a full 24-hour period. The container must be kept cool until the urine is returned to the lab.
Aliquoting the urine sample. An aliquot is a fraction( 900ųl) of a specimen.
Two different types of urine sampling:1. Aliquot plain sample 2.Aliquot sample EDTA/Asc.acid suspension added.