- 24 hour collection
- Measure after acute gout episode resolves
- Patient must be on Purine free diet for accuracy
- Normal
- Uric Acid excretion: 250-750 mg per 24 hours
- Over-production
- Uric Acid excretion >750 mg per 24 hours
- Under-excretion
- Uric Acid excretion <250 mg per 24 hours
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