Estimates GFR in CKD patients using serum creatinine, cystatin C, or both.
CKD-EPI 2021 GFR Calculator
Disclaimer: This calculator is intended for use by medical professionals
and serves as an estimation tool. Clinical judgment is essential and should
always supersede calculator results in patient care.
This calculator uses the **CKD-EPI 2021 equation (without race variable)**, which is based on serum creatinine, age, and sex.
For more information, refer to: Inker et al. NEJM 2021


