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Urea nitrogen - urine - Results

Alternative Names

Urine urea nitrogen

Normal Values:

Normal values range from 12 to 20 grams per 24 hours.

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What abnormal results mean:

Low levels usually indicate:

Malnutrition (inadequate protein in diet)
Kidney problems

High levels usually indicate:

Too much protein intake
Increased protein breakdown in the body

Female urinary tract

Male urinary tract

Reviewed last on: 8/7/2009
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Bazari H. Approach to the patient with renal disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 115.

Protein in diet

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