Normal BUN Levels. Men: 8 – 24 mg/dL. Women: 6 – 21 mg/dL. Our liver performs the function of processing the protein that we consume through our meals. As a part of this process, the liver secretes waste in the form of urea, which then enters the blood stream. It is up to the kidneys to separate the urea from the blood and eliminate it This is the calculator that gives you the average concentration of urea, which is calculated with the value of blood urea nitrogen (BUN), in terms of mg/dl, before and after dialysis BUN 32 mg/dL in your blood test results. You received your blood test result with a BUN value of 32 mg/dL. This analysis helps you to check if your BUN value is within normal range. Blood urea nitrogen (BUN) 0 mg/dL 0 100. Your BUN value of 32 mg/dL is way too high. A good Blood urea nitrogen (BUN) is usually between 7 and 20 mg/dL. Part Description. Urea nitrogen is the waste product formed in the liver when proteins are broken down into their respective amino acids. Once proteins are metabolized in the liver, urea nitrogen is released from the liver to the kidneys via the bloodstream. The kidneys then filter the urea nitrogen out of the bloodstream into the urine. Urea is only about 0.93% of urine. So you only have about 0.93g urea per 100ml of urine. To concentrate urea: boil off the water (which will also kill bacteria). Urea doesn't boil. The melting point for pure urea is 132.7 °C and urea will begin to decompose at around 150 °C. K9VU8H.

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