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Uric Acid 24 hr Urine

Order Code U011
Turnaround Time 72 hours
Test Includes


Specimen Requirements
Specimen Source
Transport Container
(Specimen Container)

Plastic urine container Alternative Specimen(s): Urinalysis transport tube (yellowtop, blue fill line, preservative tube)

Preferred Specimens
10 mL urine aliquot from a wellmixed, 24-hour urine collection - no preservative
Minimum Volume (uL)
2 mL
Collection Instructions
(Transport Temperature)
Transport at Room Temperature
Specimen Stability
Temperature Period
Room temperature 13 days
Refrigerated 13 days
Frozen 28 days
Reject Criteria

Acid preserved urine

Special Instructions

Do not acidify the urine. Please aliquot for uric acid testing prior to addition of any acid for those tests requiring preservative. Do not include first morning specimen; collect all subsequent voidings. The last sample collected should be the first morning specimen voided the following morning at the same time as the previous morning’s first voiding. Specify total volume and duration of collection on container and test requisition.

Test Details
Spectrophotometry (SP)
Reference Ranges

120 – 820 mg/24 h

65 – 630 mg/24 h