Bun, Creatinine and Uric Acid are waste products.
Blood Urea Nitrogen (BUN) is a waste product produced in the liver and excreted by the kidneys. High values may mean that the kidneys are not working as well as they should. BUN is also affected by high protein diets and/or strenuous exercise which raise levels, and by pregnancy which lowers it.
Creatinine is a waste product that comes from the normal wear and tear on muscles of the body. Creatinine levels in the blood can vary depending on age, race and body size. A creatinine level of greater than 1.2 for women and greater than 1.4 for men may be an early sign that the kidneys are not working properly. As kidney disease progresses, the level of creatinine in the blood rises.
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Uric Acid is normally excreted in urine. High values are associated with gout, arthritis, kidney problems and the use of some diuretics.
| Type | Normal Ranges in mg/dL | Normal Ranges in mcmol/L |
| Men | 3.4-7.0 | 265-663 |
| Women | 2.4-6.0 | 143-357 |
| Children | 2.0-5.5 | 119-327 |
For more information, please visit: https://healthmatters.io/biomarker-category/liver-health
