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GFR Calculator

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How it works

eGFR estimates kidney filtration capacity. CKD-EPI (2021, race-free): uses creatinine, age, and sex. Stages: ≥90 normal, 60–89 mildly reduced, 30–59 moderately reduced, 15–29 severely reduced, <15 kidney failure. A single low value may reflect dehydration or lab error—trends over time are more informative. Always interpret with a nephrologist.

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