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Alternative names, keywords |
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Samples required |
24 hour urine collection in plain container. Instructions for 24h urine collection available here or on UHSussex public site, and
Blood samples received more than 8 hours after venepuncture are unsuitable for creatinine analysis. |
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Test indications |
Estimation of GFR |
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Test information |
Calculated from serum creatinine and urine creatinine. |
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Reference range |
See report. Click here for the chronic kidney disease classifications and interpretation of eGFR. (eGFR as estimated from serum creatinine) |
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Turnaround time |
Same day |
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Enquiries |
Biochemistry (Automation) |
Clotted blood (gold cap, 5 mL tube) taken during urine collection.