BUN

Alternative Names

Blood urea nitrogen

Definition of BUN

BUN stands for blood urea nitrogen. Urea nitrogen is what forms when protein breaks down.

Review

David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 5/13/2009

ADAM Medical Encyclopedia

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