Elevated Blood Urea Nitrogen

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Definition

Urine urea nitrogen is a measure of protein breakdown in the body. A test can be done to measure the amount of urea in the urine.


Alternative Names

Urine urea nitrogen


How the test is performed

A 24-hour urine sample is needed.

  • On day 1, urinate into the toilet when you get up in the morning.
  • Afterwards, collect all urine in a special container for the next 24 hours.
  • On day 2, urinate into the container when you get up in the morning.
  • Cap the container. Keep it in the refrigerator or a cool...
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