A BUN test measures how much urea nitrogen a person has in their blood. Urea nitrogen is produced when the body breaks down protein. The liver releases it into the blood and sends it to the ...

Blood Urea Nitrogen Test. Normal Lab Value: 7-20 milligrams per decaliter (mg/dl) The BUN, or blood urea nitrogen test, is another way to determine if the kidneys are successfully filtering the blood.

CMP kidney tests. Blood urea nitrogen (BUN). Urea nitrogen is a waste product that your kidneys filter out of your blood. High BUN levels may be a sign that your kidneys aren't working well.

A blood urea nitrogen (BUN) test measures the amount of urea nitrogen in the blood. The result can indicate how well a person’s kidneys are working. A higher than normal level of BUN may point ...

The blood urea nitrogen (BUN) test is a common blood test. Before the test, tell your doctor about any medications you’re taking. You might have to stop taking any that might affect the outcome ...

Physicians may also use this test in consideration with the measured amounts of blood urea nitrogen, glucose, and sodium in your serum. Urea is a byproduct of protein breaking down in the body.