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The volume of plasma filtered by the glomeruli per minute — the best overall measure of kidney function.
GFR is the gold-standard kidney function measure: normal is ~90-120 ml/min/1.73m². Measured GFR (inulin, iothalamate) is research-grade; eGFR (CKD-EPI from creatinine or cystatin C) is the clinical proxy. GFR stages define CKD severity and guide drug dosing and dialysis timing.
A calculated value estimating the rate at which kidneys filter blood, used to diagnose and stage chronic kidney disease.
The most measured kidney blood test — a muscle-waste product filtered by the glomeruli, interpreted with eGFR.
A surgical procedure in which a healthy kidney from a living or deceased donor is transplanted into a patient with end-stage renal disease to restore kidney function.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.