Urea is the final breakdown product of the amino acids found in the protein. Nitrogen in the form of ammonia is produced in the liver when the protein is broken down. The nitrogen combined with the other chemicals in the liver from the waste product – urea. The urea is released into the bloodstream and carried to the kidneys, where it is filtered out of the blood and excreted in the form of urine.
It is recommended:To diagnose kidney diseases.To check the efficacy of treatments being used for kidney diseases like dialysis. Swelling or puffiness (oedema) around the eyes, wrists, ankles, or tummy.Tiredness, lack of concentration, poor appetite, and poor sleep.To check the health of the kidneys.It is done as a part of the metabolic panel tests for regular health check-ups.
The blood urea test also called the BUN test measures:The BUN test checks the urea nitrogen in the blood. Urea, often called urea nitrogen, is a waste product that has been produced as a result of the breakdown of the proteins in the body.The kidneys work to filter the urea out of the blood so that it can be cleared out of the body through the urine.As this process unfolds, it is normal for some urea to be in the blood. But when BUN levels are too high, it can be an indication that the kidneys are not functioning well. This metabolic process creates toxic by-product ammonia. This by-product is rapidly converted into the liver to form urea, which is less toxic and is transported relatively safely in blood.
The Blood Urea Nitrogen test is prescribed by your doctor after a complete assessment of your conditions.
10–50 mg/dl.
We require a blood sample for this test.
This test can be taken at any time during the day.
No, fasting is not required for this test.
There are no specific precautions for this test.
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