Kidney Blood Urea Nitrogen. Urea is produced as by product in the liver when protein is metabolized. It is normally removed from your blood by your kidneys but when kidney function slows down the bun level rises.
Blood urea nitrogen bun. Individual laboratories will have different reference ranges as the assay used can vary between laboratories. Open higher blood urea nitrogen is associated with increased risk of incident diabetes mellitus yan xie1 benjamin bowe1 tingting li1 2 hong xian1 3 yan yan1 4 and ziyad al aly1 2 5 6 1clinical epidemiology center research and education service va saint louis health care system st.
Tests to measure kidney.
Blood urea nitrogen bun level in your blood is an indicator of kidney function. Urea nitrogen is a normal waste product that your body. The blood urea nitrogen is primarily used along with the creatinine test to evaluate kidney function in a wide range of circumstances to help diagnose kidney disease and to monitor people with acute or chronic kidney dysfunction or failure. Urea nitrogen is a normal waste product in your blood that comes from the breakdown of protein from the foods you eat and from your body metabolism.