Medical Encyclopedia
Nitrogen test
Urea nitrogen urine test is performed to check for the amount of urea in urine. Urine is collected over a 24 hour period and is sent to the laboratory for testing. This test is mainly used to assess the amount of dietary protein needed by severely ill patients.
Update Date: 10/22/2007
Updated by: Robert Mushnick, M.D., Clinical Assistant Professor, Department of Nephrology, SUNY Downstate Health Center, Brooklyn, NY. Review provided by VeriMed Healthcare Network.
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