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Test Code URURIT Uric Acid, 24 Hour, Urine

Performing Laboratory

Bronson Laboratory Services-Chemistry

Reference Values

250-750 mg/24 hours



Specimen Requirements

Specimen Type: Urine, 24 hour. Entire collection.

Container/Tube: Clean, plastic urine container

Specimen Volume: 2.0 mL aliquot from well mixed 24-hour urine.

Collection Instruction:

1. No preservative. Refrigerate specimen during collection.

Additional Information:

1. 24-Hour volume is required.

2. Starting and ending dates/times of collection are required.

3. Follow instructions in Patient Instructions for 24-Hour Collection under Special Instructions.

Processing Instructions:

1. Assay urinary uric acid as soon as possible.

2. Measure and record total volume.

3. Mix entire collection well and pour off 2.0 mL aliquot into a false bottom container.

        *Optimallyspecimen should not be refrigerated.  However, sample

         may be refrigerated if collected with other tests that require refrigeration.
4. If refrigerated: Mix entire specimen well, take an aliquot from the well mixed entire collection and put
              in a 37C waterbath for 30 minutes to bring precipitated urates back into solution.

5.  Mix well and test sample promptly.


Specimen Transport Temperature


Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding