normal ~120mls

eGFR (estimated) using MDRD formula.

<aside> 💡 eGFR = (140-age) × Weight /(0.81 × SCr) [× 0.85 if female]

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CRF staging (mL/min/1.73 m2) Stage 1: GFR >90 mL - Asymptomatic. Stage 2: GFR 60 to 89 mL - Asymptomatic. Stage 3: GFR 30 to 59 mL - Mild kidney failure. Stage 4: GFR 15 to 29 mL – Moderate Stage 5: GFR <15 mL - Severe → ESRD.