Uric Acid, Random Urine


Abbrev Code:UURICR   
Order Code:LAB3867Order Name:Uric Acid Random Urine
Methodology:Bichromatic endpoint
St Johns/St Joseph/Woodwinds: Uricase
CPT Codes: 84560 x1
Test Includes:Creatinine Urine mg/dL; Uric Acid Urine mg/dL; Urine Acid Urine g/g Cr
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Urine Collection Procedure



Collection Instructions

Specimen:Urine, random collection
Optimal Volume:Submit entire collection; analysis requires 1 mL
Container:Plastic leakproof container, sterile
Patient Preparation:A number of drugs affect uric acid excretion; positive interferences may be caused by caffeine and theophylline. Drugs to avoid include aspirin and other anti-inflammatory preparations, x-ray contrast agents, vitamin C and warfarin.


Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 5 mL, 1 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:
3 to 4 days at room temperature or refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (Range, UMMC-West Bank, UMMC-East Bank, Ridges, Southdale, St. Joseph's)


Interpretive

Reference Range:16 years and older: 0.25-0.75 g/24 hours; average diet
Use:Evaluate metabolism of urate, including gout and renal stones.


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