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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©2013 National Kidney Foundation. All rights reserved. This material does not constitute medical advice. It is intended for informational purposes only. No one associated with the National Kidney Foundation will answer medical questions via e-mail. Please consult a physician for specific treatment recommendations.