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Multiple Choice

What is the normal creatinine clearance range for males?

Creatinine clearance reflects kidney filtration capacity, expressed as milliliters of plasma cleared per minute, and serves as an estimate of GFR. In healthy adults, this value depends on muscle mass, since creatinine comes from muscle. Men typically have higher clearance than women, reflecting greater muscle mass. The normal range for adult males is about 97 to 137 mL/min, which matches the standard reference for men. (Female range is lower, roughly 88–128 mL/min.) Remember that creatinine clearance can slightly overestimate true GFR because some creatinine is secreted by tubules, but the established reference window for males remains around 97–137 mL/min.

Creatinine clearance reflects kidney filtration capacity, expressed as milliliters of plasma cleared per minute, and serves as an estimate of GFR. In healthy adults, this value depends on muscle mass, since creatinine comes from muscle. Men typically have higher clearance than women, reflecting greater muscle mass. The normal range for adult males is about 97 to 137 mL/min, which matches the standard reference for men. (Female range is lower, roughly 88–128 mL/min.) Remember that creatinine clearance can slightly overestimate true GFR because some creatinine is secreted by tubules, but the established reference window for males remains around 97–137 mL/min.