BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuUrea nitrogen urine testUrine urea nitrogenUrine urea nitrogen is a test that measures the amount of urea in the urine. Urea is a waste product resulting from the breakdown of protein in the body. How the Test is Performed A 24-hour urine sample is often needed. You will need to collect your urine over 24 hours. Your health care provider will tell you how to do this. Follow instructions exactly to ensure accurate results.Collect your urine over 24 hoursThe urine 24-hour volume test measures the amount of urine produced in a day. The amounts of creatinine, protein, and other chemicals released into ...ImageRead Article Now Book Mark Article How to Prepare for the Test No special preparation is needed. How the Test will Feel The test involves only normal urination. There is no discomfort. Why the Test is Performed This test is mainly used to check a person's protein balance and the amount of food protein needed by severely ill people. It is also used to determine how much protein a person takes in.Urea is excreted by the kidneys. The test measures the amount of urea the kidneys excrete. The result can show how well the kidneys are working. Normal Results Normal values range from 26 to 43 grams per 24 hours (900 to 1,500 mmol/day).Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your provider about the meaning of your specific test results. What Abnormal Results Mean Low levels usually indicate:Kidney problems Inadequate protein in diet (malnutrition)Protein in dietProteins are the building blocks of life. Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. ...ImageRead Article Now Book Mark Article High levels usually indicate:Increased protein breakdown in the body Too much protein intake Risks There are no risks with this test.Open ReferencesReferencesAgarwal R. Approach to the patient with renal disease. In: Wing EJ, Schiffman FJ, eds. Cecil Essentials of Medicine. 10th ed. Philadelphia, PA: Elsevier; 2022:chap 24.Riley RS, McPherson RA. Basic examination of urine. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 29.AllVideoImagesTogFemale urinary tract - illustration The female and male urinary tracts are relatively the same except for the length of the urethra.Female urinary tractillustrationMale urinary tract - illustration The male and female urinary tracts are relatively the same except for the length of the urethra.Male urinary tractillustrationFemale urinary tract - illustration The female and male urinary tracts are relatively the same except for the length of the urethra.Female urinary tractillustrationMale urinary tract - illustration The male and female urinary tracts are relatively the same except for the length of the urethra.Male urinary tractillustrationA Closer Look Kidney stones - InDepth(In-Depth) Tests for Urea nitrogen urine test Urea nitrogen urine testUrine chemistryUrine 24-hour volumeBUN - blood testRelated Information Protein in diet(Nutrition) Review Date: 8/20/2023 Reviewed By: Jacob Berman, MD, MPH, Clinical Assistant Professor of Medicine, Division of General Internal Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, timeliness, or correctness of any translations made by a third-party service of the information provided herein into any other language. © 1997- A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited. © 1997- All rights reserved. A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.Content is best viewed in IE9 or above, Firefox and Google Chrome browser.
Urea nitrogen urine testUrine urea nitrogenUrine urea nitrogen is a test that measures the amount of urea in the urine. Urea is a waste product resulting from the breakdown of protein in the body. How the Test is Performed A 24-hour urine sample is often needed. You will need to collect your urine over 24 hours. Your health care provider will tell you how to do this. Follow instructions exactly to ensure accurate results.Collect your urine over 24 hoursThe urine 24-hour volume test measures the amount of urine produced in a day. The amounts of creatinine, protein, and other chemicals released into ...ImageRead Article Now Book Mark Article How to Prepare for the Test No special preparation is needed. How the Test will Feel The test involves only normal urination. There is no discomfort. Why the Test is Performed This test is mainly used to check a person's protein balance and the amount of food protein needed by severely ill people. It is also used to determine how much protein a person takes in.Urea is excreted by the kidneys. The test measures the amount of urea the kidneys excrete. The result can show how well the kidneys are working. Normal Results Normal values range from 26 to 43 grams per 24 hours (900 to 1,500 mmol/day).Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your provider about the meaning of your specific test results. What Abnormal Results Mean Low levels usually indicate:Kidney problems Inadequate protein in diet (malnutrition)Protein in dietProteins are the building blocks of life. Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. ...ImageRead Article Now Book Mark Article High levels usually indicate:Increased protein breakdown in the body Too much protein intake Risks There are no risks with this test.Open ReferencesReferencesAgarwal R. Approach to the patient with renal disease. In: Wing EJ, Schiffman FJ, eds. Cecil Essentials of Medicine. 10th ed. Philadelphia, PA: Elsevier; 2022:chap 24.Riley RS, McPherson RA. Basic examination of urine. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 29.