Uric Acid, Random Urine
| Abbrev Code: | UURICR | ||
| Order Code: | LAB3867 | Order Name: | Uric Acid Random Urine |
| Methodology: | Bichromatic endpoint
St Johns/St Joseph/Woodwinds: Uricase |
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| 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: | |||
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.
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| 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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