Oxalate, Quantitative, 24-Hour Urine
What’s Being Tested:
Reference Interval
� Children:
– <7 years: not established
– 7 to 14 years: 13-38 mg/24 hours
� Adults:
– Male: 7-44 mg/24 hours
– Female: 4-31 mg/24 hours
Fasting: No
Patient Preparation:
Avoid vitamin C supplements and vitamin C-rich foods (eg, citrus fruits like oranges, orange juice; vegetables like broccoli, tomatoes, peppers, potatoes) for 48 hours prior to collection.
Specimen Type: Urine 24-hour (Draw Location | How It Works | FAQs)
Important Note: Kit must be picked up and returned to draw station.
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