| Ordering Code | 327 |
|---|---|
| Test Name | Uric Acid, Urine |
| Alias | 24 Hr Urine Uric Acid Random Urine Uric Acid |
| Preferred Specimen | Urine, 24 Hour |
| Preferred Container | 24 Hour Urine Container |
| Other Specimen/Container | Random Urine in Clean Container |
| Optimum Volume | 0.5 mL |
| Collection Instructions | Keep refrigerated during collection Record entire 24 Hr Vol on container & requisition 10% Sodium Hydroxide added as a preservative. |
| Handling Instructions | Send a well-mixed, 50 mL aliquot of specimen Adjust to pH >8.0 |
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated |
| Specimen Stability | Ambient after NaOH added: 4 Days |
| Rejection Criteria | NaOH not added, Specimen older than stability limits, Acidified urine, pH <2 |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Uricase, colorimetric |
Reference range(s)
The reference ranges listed below are valid on this date of June 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| 24-Hr Urine Uric Acid | ALL | 200-1000 | 200-1000 | mg/24hr | |||||
| Total Volume | ALL | mL | See report. | ||||||
| Total Time | ALL | minutes | See report. | ||||||
| Uric Acid, Urine | ALL | mg/dL | See report. |