The kidneys filter urea out of the blood so it can be cleared out of the body in the urine. As this process unfolds, it’s normal for some urea to be in the blood. But when BUN levels are too high, it can indicate that the kidneys are not functioning properly. Although BUN can be...
Blood Urea Nitrogen (BUN) Test: High vs. Low Levels, Normal Range (webmd.com)-https://www.webmd.com/a-to-z-guides/blood-urea-nitrogen-test
The kidneys filter urea out of the blood so it can be cleared out of the body in the urine. As this process unfolds, it’s normal for some urea to be in the blood. But when BUN levels are too high, it can indicate that the kidneys are not functioning properly. Although BUN can be...