AllRefer Health - Urea Nitrogen - Urine (Urine Urea Nitrogen, UUN)

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You are here : AllRefer.com > Health > Tests & Exams > Urea Nitrogen - Urine

Urea Nitrogen - Urine


•	Definition
•	Why is the Test Performed?
•	How is the Test Performed?
•	How to Prepare for the Test?
•	How will the Test Feel?
•	Normal Values
•	What do Abnormal Results Mean?
•	Risks
•	Pictures & Images
•	Go To Main Page

Alternate Names : Urine Urea Nitrogen, UUN

Definition

A test to measure the amount of urea in the urine.

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Female Urinary Tract

Male Urinary Tract

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Why is the Test Performed?

This test is mainly used to assess the protein balance and the amount of dietary protein needed by severely ill patients. Urine urea serves this purpose as it is a measure of protein breakdown in the body.

Urea is excreted by the kidneys, so excretion of urea can reflect kidney function. The urine urea excretion can be measured to obtain a ratio between the plasma (blood) urea and the urine urea. This ratio (U/P urea) is an indicator of how well the kidneys are able to filter and excrete urea from the bloodstream.

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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Risks
• Pictures & Images

Review Date : 1/27/2002
Reviewed By : Andrew Koren, M.D., Department of Nephrology, NYU-Mount Sinai Medical Center, New York, NY. Review provided by VeriMed Healthcare Network.

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