Cockcroft–Gault Creatinine Clearance

Estimate creatinine clearance (CrCl) using the Cockcroft–Gault equation.

Sex

Male Female

Age

years

Weight

Serum Creatinine

Decimals

CrCl: — mL/min

Formula

CrCl = [(140 – Age) × Weight × SexFactor] / (72 × Scr)

References

Cockcroft DW, Gault MH. Prediction of creatinine clearance from serum creatinine. Nephron. 1976.

Disclaimer

Educational use only.

MDRD eGFR

Estimate GFR using the 4-variable MDRD formula.

Age

years

Serum Creatinine

Sex

Male Female

Race

Other Black

Decimals

eGFR: — mL/min/1.73 m²

Formula

eGFR = 175 × (Scr^−1.154) × (Age^−0.203) × (0.742 if female) × (1.212 if Black)

References

Levey AS, et al. Ann Intern Med. 1999.

Disclaimer

Educational use only.

CKD-EPI eGFR

Estimate GFR using the CKD-EPI 2009 formula (current standard).

Age

years

Serum Creatinine

Sex

Male Female

Race

Other Black

Decimals

eGFR: — mL/min/1.73 m²

Formula

eGFR = 141 × min(Scr/κ,1)^α × max(Scr/κ,1)^−1.209 × (0.993)^Age × (1.018 if female) × (1.159 if Black)

References

Levey AS, Stevens LA, et al. Ann Intern Med. 2009.

Disclaimer

Educational use only.