Ask the Doctor
Questions about kidney disease? Risk factors? Signs and symptoms? Are you concerned about yourself, a friend or family member? Ask Dr. Spry.
* BUN and creatinine are wastes that build up in the blood when your kidney function is reduced.
** GFR (a measure of kidney function) is estimated from a blood creatinine test. In some people, a GFR of 60 to 89 may be normal.
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©2014 National Kidney Foundation. All rights reserved. This material does not constitute medical advice. It is intended for informational purposes only. Please consult a physician for specific treatment recommendations.