BUN - blood test

Blood urea nitrogen; Renal insufficiency - BUN; Renal failure - BUN; Renal disease - BUN

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

A test can be done to measure the amount of urea nitrogen in the blood.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean

Considerations