eGFR: CKD-EPI 2021 (creatinine, race-free)

Renal

Estimated GFR from serum creatinine, age and sex. The 2021 equation removed the race coefficient and is the one KDIGO 2024 recommends.

What you enter

FORMULAeGFR = 142 × min(Scr/κ, 1)^α × max(Scr/κ, 1)^−1.200 × 0.9938^Age × 1.012 [if female]; κ = 0.7 (F) / 0.9 (M); α = −0.241 (F) / −0.302 (M)

SourceInker LA et al. New creatinine- and cystatin C-based equations to estimate GFR without race. NEJM 2021;385:1737-49NoteNot valid in AKI (creatinine must be at steady state), extremes of muscle mass, or pregnancy.ReviewedFormula and thresholds checked against the source on 2026-08-22. If the source updates, this line will say so.