eGFR
Also known as: Calculated Glomerular Filtration Rate; cGFR
Formal name: Estimated Glomerular Filtration Rate
Related tests: GFR measured by inulin clearance (see FAQ); Creatinine; Creatinine clearance; Microalbumin; Cystatin C; Urine protein; Beta-2 microglobulin
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At a Glance
Why Get Tested?
To assess kidney function
When to Get Tested?
When your doctor thinks that you may have kidney damage or that you may be at risk for developing it
Sample Required?
The eGFR is a calculated estimate of the actual glomerular filtration rate and is based on your serum creatinine concentration, which requires a blood sample from a vein in your arm; the recommended calculation uses a formula that also includes your age, gender, and race. Other formulas may also include height and weight.
Test Preparation Needed?
None
