A 28-year-old male asked:
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what is the definition or description of: blood urea nitrogen?

2 doctor answers
Dr. Marshall Kaplan
53 years experience Urology
Metabolic waste : It's level helps evaluate renal function elevation can mean poor renal function or GI bleeding.
Answered on Apr 23, 2018
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Dr. Mathew Sorensen
21 years experience Urology
BUN: Blood urea nitrogen is a blood test that is used to evaluate kidney function and hydration status. The urea nitrogen comes as a normal biproduct of protein metabolism in the liver. With decreased kidney function and dehydration, BUN will increase.
Answered on Jun 10, 2014

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A 30-year-old member asked:
Dr. Richard Bensinger
51 years experience Ophthalmology
Liver chemical: This is a measurement of a concentration of urea in the blood stream and is related to the health of the liver. If the liver is dysfunctional, the le ... Read More
2
2 thanks
A 31-year-old member asked:
Dr. Asaf Presente
15 years experience Pulmonary Critical Care
Kidney issue: In general, a high BUN is indicative of an issue with kidney function or overall dehydration. All blood tests need to be interpreted in context.
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A 34-year-old female asked:
Dr. Ed Friedlander
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Nothing: Stop worrying. Reference ranges are set so that several percent of healthy folks fall outside at either end. Low BUN and low creatinine in someone who ... Read More
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A 29-year-old female asked:
Dr. Dan Fisher
26 years experience Internal Medicine
See below.: "low" BUN is really of no consequence unless accompanied by other lab abnormalities. Just a measure of the concentration of protein in your blood. ... Read More
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