Kidney health
eGFR, creatinine–cystatin C
Estimates kidney filtration using both creatinine and cystatin C.
Understanding the result
The 2021 adult CKD-EPI combined equation is race-free. Estimates have limitations and require clinical interpretation.
Reading your report
Use the units, method and reference interval on your laboratory report. Your clinician can interpret the result alongside your history and other findings.
Sources & further reading
Educational summary · September 2026