None, we acidify urine on receipt
Hyperoxaluria, with or without formation of oxalate stones, can be due to fat malabsorption, dietary oxalate excess, Vitamin C overdose, hereditary hyperoxaluria (rare) or industrial toxicity. About 10% of urine oxalate normally comes from the diet but this fraction increases with excessive intake of oxalate rich foods including spinach, rhubarb, strawberries, tomatoes, prunes and tea.
Approx 4 weeks
Can be added on to an existing request up to 4 days following sample receiptSpecimen Labelling Procedure