Here’s what you can expect during and after your blood urea nitrogen (BUN) test.
During the blood urea nitrogen test, a member of your health care team will take a sample of your blood by inserting a needle into a vein located in your arm.
The blood sample is then sent to the lab for analysis. After the blood sample has been taken, you will be told to resume your daily routine activities.
6 Procedure Results
Results of the blood urea nitrogen test are measured in milligrams per deciliter (mg/dL) in the United States and millimoles per liter (mmol/L) internationally.
Generally, 7 to 20 mg/Dl (2.5 to 7.1 mmol/L) is considered to be normal. However, normal range may vary, depending on the reference range utilized by the lab and your age.
Ask your doctor to explain your results. The tendency of urea nitrogen levels to rise increases with age. Generally, a high blood urea nitrogen level means you kidneys are not functioning as well as they are supposed to.
But elevated urea nitrogen can also be due to the following:
FindATopDoc is a trusted resource for patients to find the top doctors in their area. Be visible and accessible with your up to date contact
information, certified patients reviews and online appointment booking functionality.