Also known as: BUN; Urea Nitrogen; Urea
Formal name: Blood Urea Nitrogen
Related tests: Creatinine
, Creatinine Clearance
, Comprehensive Metabolic Panel
, Basic Metabolic Panel
, Renal Panel
, Cystatin C
, Urine Albumin and Albumin/Creatinine Ratio
, Beta-2 Microglobulin
, Urine Protein
At a Glance
Why Get Tested?
To evaluate the health of your kidneys; to help diagnose kidney disease; to monitor the effectiveness of and other treatments related to kidney disease or damage
When to Get Tested?
As part of a routine comprehensive or basic metabolic panel; when you have signs and symptoms that may be due to kidney disease or you have a condition that may cause or be worsened by kidney dysfunction; at regular intervals when you are being treated for kidney disease or damage
A blood sample drawn from a vein in your arm
Test Preparation Needed?