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Blood Urea Nitrogen

160
4.5
NABL, CAP, ISO
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Overview
Interpreting Results
FAQ's

Overview of BUN

What is BUN?

It is done to evaluate the health of your kidneys. It can be done as a part of basic metabolic panel or when you have signs or symptoms suggestive of kidney disease like swelling of face, ankle, lower back pain, changes in urine output etc. It should also be done to monitor the treatment if you are already diagnosed with a kidney disease or in dialysis patients. The test may also be ordered prior to or during certain drug treatment to monitor the kidney function.

Why is BUN done?

  1. As a part of routine health check up, kidney function test or basic metabolic panel 
  2. If you have signs or symptoms of kidney disease like swelling or puffiness around the eyes; face;wrists, blood in urine, decrease amount of urine, poor appetite, mid back pain, high blood pressure 
  3. It may also be ordered to monitor your kidney function if you have chronic disease like diabetes, myocardial infarct or heart failure
  4. To monitor the effectiveness of dialysis

Preparation for BUN

  • No special preparation required

Sample Type for BUN

The sample type collected for Blood Urea Nitrogen is: Blood

Interpreting BUN results

Interpretations

  • Increased BUN level suggest kidney dysfunction which may be due to acute or chronic kidney disease, or rarely due to congestive heart failure, stress, shock, dehydration etc
  • Low BUN levels are not common and usually not a cause for concern. It may be seen in severe liver disease or malnutrition.

Answers to Patient Concerns & Frequently Asked Questions (FAQs) about BUN

Frequently Asked Questions about Blood Urea Nitrogen

Q. What other tests are used along with BUN to test the function of my kidneys?
BUN and Creatinine are two primary tests which are used to test kidney function.
Q. Does diet influence the BUN levels?
Yes, high protein diet can lead to increased BUN levels.
Q. What is the difference between blood urea nitrogen and urea?
Urea is a waste product of the kidneys and BUN measures the amount of nitrogen in a given amount of urea. The formula to convert BUN into urea is Urea = BUN X 2.14
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Provided By

NABL

CAP

ISO

Established in 1995, Lifecare is the country's premier full-service diagnostic center with laboratory, providing expertise in imaging and digital pathology services. Our integrated diagnostic services help doctors personalize patient care to optimally treat disease and maintain health and wellness. We are committed to providing only the highest level of testing quality and service and working with you to provide unique solutions to your most challenging needs. A highly skilled team of medical professionals including physicians, scientists, medical technologists, medical technicians, lab assistants, biologists, chemists, microbiologists, geneticists, and other specialists work collaboratively. The department receives specimens for testing from patients and collection centers and is a reference laboratory for other clinics and hospitals both nationally and internationally. Lifecare's mission is to support the local delivery of laboratory services through the provision of exceptional reference laboratory services and by providing support services that facilitate and augment community integration efforts. We ensure Quality control programs that exceed industry guidelines for every patient sample. Proactive internal quality control team consisting of pathologists and laboratory personnel ensuring consistency and accuracy of specimen processing and diagnosis Our staff recognizes that specimens are patients, not just accession numbers in our lab. They are dedicated to combining the newest technologies, expertise, and quality in every sample they process.

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