Lab

Urine Uric Acid

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Urine Uric Acid

  • Indication
  1. Gout evaluation
  • Technique
  1. 24 hour collection
  2. Measure after acute gout episode resolves
  3. Patient must be on purine free diet for accuracy
  • Interpretation
  1. Normal
    1. Uric Acid excretion: 250-750 mg per 24 hours
  2. Over-production
    1. Uric Acid excretion >750 mg per 24 hours
  3. Under-excretion
    1. Uric Acid excretion <250 mg per 24 hours