When to get tested? If your doctor thinks that you may have kidney damage
Sample required? The eGFR is a calculated estimate of the actual glomerular filtration rate and is based on your serum creatinine concentration, which requires a blood sample from a vein in your arm; the calculation uses a formula that also can include your age, gender, height, and weight; in some formulas, race may also be used in the calculation
This article was last reviewed on October 4, 2006.
This page was last modified on April 8, 2009.
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