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September 24, 2026

eGFR Explained in Simple Terms

What estimated glomerular filtration rate is, and how it is calculated.

Medically Reviewed By

Artemis Kidney Hospital Nephrology & Transplant Team

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eGFR is the estimated glomerular filtration rate — a calculated estimate of kidney filtering used to detect and stage kidney disease. It is derived from serum creatinine together with age and sex. It is an estimate, not a direct measurement, and it is used to stage CKD from 1 to 5.

Medical Disclaimer

This article is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified nephrologist about your own condition.

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