| Ordering Code | 8440 |
|---|---|
| Test Name | Urea Nitrogen, Random Urine |
| Alias | Random Urine Urea Nitrogen |
| Preferred Specimen | Urine, Random |
| Preferred Container | Clean Container |
| Optimum Volume | 1 mL |
| Collection Instructions | No preservatives added. |
| Handling Instructions | Processing: Adjust pH to less than 4 before storage. |
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated |
| Specimen Stability | Refrigerated: 7 Days |
| Rejection Criteria | Specimen older than stability limits |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Enzymatic - Urease GLDH |
Reference range(s)
The reference ranges listed below are valid on this date of July 16, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Urea Nitrogen, Urine | ALL | mg/dL | See report. |