II. Indication

  1. Gout evaluation

III. Technique

  1. 24 hour collection
  2. Measure after acute gout episode resolves
  3. Patient must be on purine free diet for accuracy

IV. Interpretation

  1. Normal
    1. Uric Acid excretion: 250-750mg per 24 hours
  2. Over-production
    1. Uric Acid excretion >750mg per 24 hours
  3. Under-excretion
    1. Uric Acid excretion <750mg per 24 hours

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