Blood Urea Nitrogen (BUN)

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Product Description

The liver produces urea in the urea cycle i.e., when proteins get digested. The ammonia produced during the urea cycle combines with carbon, hydrogen or oxygen to form urea. The urea is removed by the kidney and is filtered from the blood.
The urea is then excreted through the urine. If the concentration of the Urea is abnormal in the blood, it is highly indicative of a kidney disorder. Blood Urea Nitrogen is a very common test that gives you an indication of how well your kidneys and liver are working. A BUN test measures the amount of urea nitrogen in your blood. It is also used to help determine the effectiveness of dialysis treatment if you’re receiving haemodialysis. The test is always a part of the routine health check-up and diagnoses number of other conditions, such as liver damage, urinary tract obstruction, congestive heart failure or gastrointestinal bleeding — although an abnormal BUN test result alone doesn’t confirm any of these conditions.
BUN is often ordered with creatinine when kidney problems are suspected. Some signs and symptoms of kidney dysfunction include Fatigue, poor appetite, or trouble sleeping, swelling or puffiness (edema), particularly around the eyes or in the face, wrists, abdomen, thighs, or ankles. urine that is foamy, bloody, or coffee-colored, a decrease in the amount of urine, problems urinating, such as a burning feeling or abnormal discharge during urination, or a change in the frequency of urination, especially at night.

SpecimenSerum (Blood)
Related TestsAlbumin; Liver Panel; Protein Electrophoresis; Creatinine; Urine Protein
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