eGFR (Estimated Glomerular Filtration Rate)
eGFR estimates how well the kidneys filter blood. It is calculated from creatinine, age and sex.
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Normal ranges
Adults: 60 mL/min or higher.
Units: mL/min
Causes of deviations
Low levels:
Chronic kidney disease, dehydration, kidney-toxic medicines.
High levels:
Usually not a concern; a high value can reflect hyperfiltration.
When to see a doctor
If eGFR is below 60, discuss it with your doctor.
Related biomarkers
Panels
Kidney panel
Conditions
Chronic kidney disease
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