Imperial Collage Healthcare

Urate (urine)

Test Background
Renal stones affect on average between 12-15 % of Caucasians (this figure varies among other population groups). Recurrence rates of up to 50 % within 5 years are not uncommon. Risk factors for recurrent renal calculi include low urine output, impaired renal function (assessed by U&E assay), hypophosphataemia and hypomagnesaemia, in addition to increased uric acid turnover, hypercalcaemia and hyperoxaluria.

Clinical Indications
Recurrent stone formation Family history of stone formation

Reference Range
1.5-4.5 mmol/24 h

Sample Required
24 hour urine collection

Sample Volume
24 hour urine collection

Turnaround Time
2 days

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