Uric Acid, Random Urine
| Abbrev Code: | UURICR | ||
| Order Code: | LAB3867 | Order Name: | Uric Acid Random Urine |
| Methodology: | Roche:
Vista: Bichromatic endpoint St Johns/Woodwinds: Uricase |
||
| CPT Codes: | 84560 x1, 84560 x1 | ||
| Test Includes: | Creatinine urine mg/dL; uric acid urine mg/dL; uric 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.
Refrigeration of the specimen may result in precipitation of uric acid, which must be re-dissolved by warming slightly (50C) before aliquoting. |
| 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, Roche-UMMC East, Southdale, UMMC West Bank) |
Interpretive
| Reference Range: | Urine Chemistry Reference Ranges |
| Use: | Evaluate metabolism of urate, including gout and renal stones. |
Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 908"