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HelpTest Code UR UREA 24 Urea, 24 Hour, Urine
Additional Codes
LAB123748
Minimum Volume
0.5 ml
Container
24 hour urine container
Acceptable Specimens
24 hour urine container
Reference or Target Ranges
25-30g/24 hour period
Reportable Units
g/24 hour period
Critical Value
Not defined for this assay
CPT Codes
81050;84540
Last review/edit date
March 2024
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, collection information not provided |
Specimen Stability
| Ambient | 2 days |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | 1 month |
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 |
Collection Method
24 hour urine collection
Special Collection Instructions
Specimen must be received with the following information included:
- Total volume of collection
- Start date and time
- Stop date and time