eGFR (Estimated Glomerular Filtration Rate)
- Sample Type
- Standard
- Fasting
- No
- Unit
- mL/min/1.73m²
The eGFR is the gold standard for assessing overall kidney function and staging Chronic Kidney Disease (CKD). It is a calculated value based on serum creatinine, age, sex, and sometimes race (depending on the formula used, such as CKD-EPI or MDRD). It estimates how much blood passes through the glomeruli each minute. Within a 'Basic Kidney Profile', it provides a more accurate assessment than creatinine alone, which is influenced significantly by muscle mass.
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Check Your Result
Enter your lab result to see where you stand compared to the standard reference range.
Why Context Matters
eGFR can be inaccurate in individuals with extreme body sizes (morbid obesity or malnutrition), pregnancy, or those on specific diets (e.g., high-protein, creatine supplements). Different equations (CKD-EPI vs. MDRD) can yield different results, potentially leading to misstaging of kidney disease.
Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.
Clinical References
Source-of-truth databases and clinical guidelines for eGFR (Estimated Glomerular Filtration Rate):
Official Sources
Research & Guidelines
Related Indicators
Medically Reviewed by Dr. Binoy Babu, MBBS
Board Certified Doctor • 10+ Years Clinical Experience
Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.
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