Urea nitrogen is a waste product that arises from the breakdown of protein in the body and the amount of urea nitrogen secreted acts as a functional measure to detect the normal functioning of the liver and the kidney. Blood urea nitrogen (BUN) test checks the kidney function by measuring the presence of urea nitrogen in the blood.
When protein is metabolized into its component amino acids urea is formed in the liver.The process results in ammonia formation which then is converted into less toxic waste product urea. It removes excess nitrogen from the body.
To measure the levels of urea in the blood. The test is helpful to determine kidney function.
Urea Blood test to check the signs and symptoms of kidney disorders. High levels will indicate End Stage Renal Disease (ESRD), Urinary tract obstruction, GIT bleeding, Heart diseases, Chronic kidney disease and Severe dehydration. Decreased BUN levels indicate liver dysfunction.