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Glomerular Filtration Rate, Estimated (eGFR)
Glomerular Filtration Rate, Estimated (eGFR)
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Test Includes
Creatinine, serum; eGFR calculation
Use
The estimated glomerular filtration rate (eGFR) provides an assessment of the filtering capacity of the kidney. The eGFR is calculated from a serum creatinine using the CKD EPI equation. Aside from the serum creatinine, other variables required for the equation are sex, age, and race. The eGFR has been shown to be more accurate in estimating the glomerular filtration rate than a 24-hour urine collection for creatinine clearance. Among patients with chronic kidney disease (CKD), the eGFR is instrumental in determining the stage of disease according to the K/DOQI CKD classification.
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How Do I Get My Lab?
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