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Blood Urea Nitrogen (BUN) Test

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Abnormal blood urea nitrogen (BUN) levels can indicate an issue with the liver or kidneys.

What is this test?

Urea is produced by the liver as it breaks down proteins. From there, it is filtered by the kidneys and exits the body through urine. In conjunction with a creatinine test, a BUN test can be used to evaluate kidney disease. This test is also included in the Basic Metabolic Panel, Comprehensive Metabolic Panel, and Renal Function Panel. There are no fasting requirements for this test.

Blood Urea Nitrogen (BUN) Test

This test is a common component of a routine health screening, and is also used to evaluate kidney and liver function. 

What is a Blood Urea Nitrogen (BUN) Test?

The Blood Urea Nitrogen (BUN) Test works by collecting a blood sample and measuring levels of BUN. Abnormally high levels generally point to problems with your kidneys. 

Why would my doctor order a Blood Urea Nitrogen (BUN) Test?

Your provider may order a blood test for candida antibodies to diagnose the overproduction of candida caused by either the disruption of healthy bacteria or a compromised immune system. Some factors may include pregnancy, antibiotic use, birth control pills, diabetes, immunosuppression, or HIV infection. 

When should I order a Blood Urea Nitrogen (BUN) Test?

Your provider may wish to order a Blood Urea Nitrogen (BUN) Test if you’re exhibiting symptoms of kidney disease, such as:  

  • Urinating more or less
  • Nausea or vomiting 
  • Loss of appetite
  • Muscle cramps

You cannot take a Blood Urea Nitrogen (BUN) Test at home — this test can only be administered by a medical professional at a licensed testing facility. 

How do I read the results of the test?

Once you receive the results of your blood test for Blood Urea Nitrogen (BUN), you will need to consult with your provider. Only a medical professional can advise you on your BUN levels and help you develop a treatment plan if necessary. 

Do my results change with age?

Your BUN levels may fluctuate over time, depending on a variety of factors that could impact your liver or kidney function. A blood test for BUN can help monitor these changes over time. 

What should I expect at my appointment?

There are no special requirements for the Blood Urea Nitrogen (BUN) Test. Your provider will draw a blood sample from a vein in your arm. Blood Urea Nitrogen (BUN) Test results typically only take 1-2 business days to process. 

How much does a test cost?

The cost of a Blood Urea Nitrogen (BUN) Test listed on Tripment Health is transparent and final — you will never be asked to pay additional fees at the testing facility, or receive a surprise bill down the road. 

Where can I find an affordable Blood Urea Nitrogen (BUN) Test near me?

Tripment Health has partnered with nearly 7,000 lab test facilities across 48 states. Finding a Blood Urea Nitrogen (BUN) Test, current procedural technology (cpt) code 294, is easier than ever. Add the lab tests you need to your cart, then select a testing facility conveniently close to you. 


+$15 service fee

Price does not include the Physician Service Fee ($6) and the Lab Collection Fee ($9). These non-refundable fees cover the ordering and oversight of lab tests and follow-up services when appropriate.

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Lab tests FAQs

No. At Tripment Health, we focus on providing transparent healthcare services to uninsured or under-insured individuals. We’ve negotiated prices directly with lab test facilities to make diagnostic lab panels available to individuals who would rather pay directly than go through a private or government-sponsored insurance carrier.

No. By purchasing a blood panel, you will not be able to submit any claim, bill, or other request for reimbursement to any insurer, third-party payer, or Government health program. However, you can use your FSA or HSA card.

You will receive a payment confirmation email, then an additional email confirming your appointment details (type of test, time and location of appointment, and QR code). You will need to present your QR code to the testing facility in order to check in.

Once your test is complete, you will receive your results within 1-3 business days.

With a blood panel, you can establish your body’s baseline values for basic health measurements like cholesterol (total, triglycerides, HDL, LDL and total cholesterol/HDL ratio), glucose and hemoglobin A1c. Additionally, depending on the blood panel you choose, you will receive data on performance measurements such as Vitamin D, Vitamin B12, Magnesium, Thyroid Stimulating Hormone, and/or Testosterone.


Your results are more than just numbers. Your results come with a personalized recommendation from one of our physicians.

No. One of our physicians will order the panels for you.

You must be 18 or over to be able to get tested.

Currently we have local patient service centers available in all states, except in NY, NJ, TX & RI.