Kidney and electrolytes
eGFR test
Also called estimated GFR, glomerular filtration rate
An estimate of how much blood your kidneys filter each minute, worked out from creatinine, age and sex.
- Typical range
- 90 or more mL/min/1.73m².
- Usual recheck
- About 3 months when out of range
Why it's done
Stages kidney health.
What a low result can mean
60–89 can be normal with age; below 60 for 3 months or more means chronic kidney disease.
Got a report with eGFR?
Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.