What Is the Normal Range for GFR Levels?

In adults, normal glomerular filtration rate levels range from 90 to 120 mL/min/1.73 m2, according to MedlinePlus. Levels below 60 mL/min/1.73 m2 that persist for at least three months signify chronic kidney disease, and a GFR level below 15 mL/min/1.73 m2 indicates kidney failure.

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