Uric Acid, 24‑Hour Urine without Creatinine
Use
Urine uric acid measurement helps in assessing conditions involving altered uric acid production or excretion, such as gout, leukemia, and renal disease. It may facilitate management of asymptomatic hyperuricemia and plays an important role in evaluating urolithiasis risk.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
10 mL urine aliquot from a well‑mixed, 24‑hour urine collection
Minimum Volume
2 mL
Collection Instructions
Do not acidify the urine. Please aliquot for uric acid testing prior to addition of any acid for those tests requiring preservative. (24‑hour collection instructions): 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.
Causes for Rejection
Acid preserved urine
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 13 days |
| Refrigerated | 13 days |
| Frozen | 28 days |