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A Blood Urea Nitrogen Test checks the amount of urea nitrogen in your blood to see how your kidneys are working. You may also hear BUN, serum urea nitrogen, or urea nitrogen test. Your visit is quick, usually 15 to 30 minutes, with a short blood draw that takes about 5 to 10 minutes. You can book at participating labs on LabFinder and keep your results in our secure patient portal.
The Blood Urea Nitrogen Test, often called a BUN or urea nitrogen test, shows how well your kidneys clear waste. Higher or lower numbers can point to kidney issues, dehydration, or other health concerns.
Common reasons: checking kidney health, new swelling or fatigue, follow up for high blood pressure or diabetes, side effect checks for certain medicines, or part of a routine kidney panel. If you are unsure, LabFinder’s physician oversight helps match you with the right test.
You will check in, share a brief health history, and a small tube of blood will be taken from your arm. Most visits take 15 to 30 minutes. The draw itself takes only a few minutes, and then you can get back to your day.
Yes, this is a quick, routine blood draw and is considered very safe. You might feel a quick pinch, notice a small bruise, or feel a little lightheaded for a moment afterward, but those effects usually fade quickly. Be sure to tell the staff if you take blood thinners, have a bleeding disorder, a rash or infection where blood will be drawn, or if you have fainted during blood draws before. They will take extra care to keep you comfortable.
Simple prep: you usually do not need to fast. Drink water so your veins are easy to find. Avoid very heavy exercise and very large meat heavy meals right before testing, since these can affect results. Bring a list of your medicines and any recent supplements. Follow any extra instructions from your doctor or the lab.
Kidney disease, dehydration, urinary blockage, heart failure, stomach or intestinal bleeding, and liver problems. Your doctor will review your results along with your history and symptoms before recommending any next steps.
You can compare locations, see time slots, and book online at participating labs. It is easy to search for a convenient location in your area or by city or ZIP. Many sites accept insurance, and coverage varies by plan and provider. LabFinder makes booking simple and keeps your results ready for your follow up visit.
Book on LabFinder: find a lab today on our lab finder and request a test doctor guided.
The information on this page and throughout the LabFinder website and mobile app is for general informational purposes only. It is not intended to serve as medical advice, diagnosis, or treatment. For personalized medical advice or specific health concerns, please consult your healthcare provider directly.
Booking a Blood Urea Nitrogen (BUN) Test is easy using LabFinder. Just choose your location and enter your insurance information to find the closest Blood Urea Nitrogen (BUN) Test near you.
To make a same-day appointment for a Blood Urea Nitrogen (BUN) Test, just choose your location and your insurance information to find the closest Blood Urea Nitrogen (BUN) Test location near you. If there's availability for a same-day appointment at a nearby lab location, then you will be able to book it easily through LabFinder.
LabFinder allows you to easily schedule a Blood Urea Nitrogen (BUN) Test. You can search by location and insurance to easily book a Blood Urea Nitrogen (BUN) Test near you.
LabFinder allows you to easily make an appointment for a Blood Urea Nitrogen (BUN) Test online. To make an appointment for a Blood Urea Nitrogen (BUN) Test online, just choose your location and your insurance information to find the closest Blood Urea Nitrogen (BUN) Test near you.
Yes, you can get a Blood Urea Nitrogen (BUN) Test without insurance. LabFinder allows you to search and select "Self-Pay" when booking a Blood Urea Nitrogen (BUN) Test. While pricing for the test may not be immediately available, please check by calling the lab company directly for pricing.
