About This Calculator
Author
Andrew S. Levey et al. (MDRD Study Group)
First Published
1999
Evidence
Historically standard; superseded by CKD-EPI
Category
Nephrology
Original Study
A more accurate method to estimate GFR from serum creatinine (Ann Intern Med, 1999)
About
The MDRD equation estimates GFR and was widely used until replaced by CKD-EPI in 2009/2021 for better accuracy at higher GFR.
Clinical Use
Largely replaced by CKD-EPI. Only use where MDRD is still required by legacy reporting.