eGFR (Cystatin C) Test
Estimated kidney filtration rate calculated from cystatin C. Often used to confirm creatinine-based eGFR.
What is eGFR (Cystatin C)?
Estimated kidney filtration rate calculated from cystatin C. Often used to confirm creatinine-based eGFR.
eGFR (Cystatin C) Reference Range
These are the typical adult reference ranges used by major US labs. Your report will include the specific range used by the lab that processed your sample.
| Population | Range |
|---|---|
| age 18+ | 60.0 – 120 mL/min/1.73m2 |
Reference ranges are educational. Always interpret your result with the specific range printed on your lab report and discuss anything outside the range with a clinician.
What your eGFR (Cystatin C) result may mean
Sustained values below 60 can indicate chronic kidney disease.
Educational only — not a diagnosis. Many factors can influence a single result. Discuss anything that concerns you with a healthcare provider.
Sources
Frequently asked
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