This test measures the level of urea nitrogen in your blood. It is one of the tests that is used to evaluate the health of your kidneys.
A blood urea nitrogen, or BUN, measures the level of urea nitrogen in your blood. It is frequently ordered with a creatinine test to see how well the kidneys are working. Your healthcare provider may recommend a BUN test to:
The BUN is often part of the bloodwork ordered when one has a periodic health examination.
Urea nitrogen is a form of chemical waste that is made when the liver breaks down proteins. The kidneys normally filter urea nitrogen out of the blood and release it in the urine.
In an adult, the blood sample is taken from a vein in the arm.
This care path's costs do not include the charge to draw blood from a vein (venipuncture). There will only be one charge to draw blood, even if multiple tests are being performed on the samples that are taken.
What should I ask my healthcare provider before having this test?
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