The renal threshold for glucose is well above the normal plasma glucose concentration, but the renal threshold for PO₄ is equal to the normal plasma PO₄ concentration.

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The renal threshold for glucose is typically around 180 mg/dL, which is higher than the normal plasma glucose concentration of around 70-100 mg/dL. However, the renal threshold for PO₄ is normally around the same as the normal plasma PO₄ concentration, which is usually between 2.5-4.5 mg/dL.

The Renal Threshold for Glucose Is Well Above the Normal