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A 41-year-old female asked:

Hi, i want to understand what blood urea is and its range. if the levels are elevated what does it signify. does it mean kidney problems. thanks.

1 doctor answer • 1 doctor weighed in
Dr. Jack Rubin
Dr. Jack Rubinanswered
Nephrology and Dialysis 49 years experience
What's BUN?: BUN stands for blood urea nitrogen. Urea nitrogen is what forms when protein breaks down and it not used by itself to identify patients with kidney disease. BUN is elevated in cases of dehydration as well as kidney disease. Serum creatinine (C) is a better determinant of kidney function. If the BUN C ratio is > 20, the patient may be dehydrated. The normal range of B is 7-20 mg/dl.
3.9k viewsAnswered >2 years ago
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Last updated Jul 25, 2014

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Blood›Blood urea nitrogen

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