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Uric Acid, Urine Random
MessagePerforming Lab: Central Lab, Regions
Test Code
3329
Alias/See Also
Sunquest: UURCR
CPT Codes
84560
Preferred Specimen
0.2 mL Random Urine
Minimum Volume
0.1 mL
Instructions
Preserve 24 hour urine collection with refrigeration.
Consult Urine Collection/Processing Information for acceptable preservatives
Consult Urine Collection/Processing Information for acceptable preservatives
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 7 days
Methodology
Colorimetric: Uricase
Setup Schedule
Hospital: Daily
Clinics: Monday - Friday
Clinics: Monday - Friday
Report Available
Same Day
Reference Range
No reference range established
Clinical Significance
Uric acid is the end-product of purine metabolism. It is freely filtered by the glomeruli and most is reabsorbed by the tubules. Increased levels of uric acid in the urine usually accompany increased plasma uric acid levels unless there is a decreased excretion of uric acid by the kidneys. Urine uric acid levels reflect the amount of dietary purines and also endogenous nucleic acid breakdown. It is often used to assess and manage patients with kidney stones.