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HelpTest Code UR UREA Urea, Urine Random
Additional Codes
LAB12963
Aliases
Random urine urea, random urine urea nitrogen, UUN
Collection Method
Sterile urine collection
Minimum Volume
1ml
Container
Sterile Urine Cup
Acceptable Specimens
Urine
Reference or Target Ranges
No reference values for random urine given
Reportable Units
mg/dL
Critical Value
Not defined for this assay
Specimen Stability
| Ambient | 2 days |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | 1 month |
Reasons for Rejection
| Hemolysis Threshold | 1000 mg/dL |
| Icterus Threshold | 60 mg/dL |
| Lipemia Threshold | 1000 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Stat: 1 hour Routine: 4 hours |
| Stat Availabilty | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
84540
Last review/edit date
March 2024