Home
HelpTest Code UUN Urea Nitrogen, Urine 24 Hour
Performing Location
Specimen Collection Information
| Specimen | Min. Test Volume | Collection Container | Special Handling |
|---|---|---|---|
| Urine | 0.1 mL | 24 Hour urine container | Urine sample must be received in laboratory within 24 hours of end of collection. Keep urine sample refrigerated until delivered to laboratory. |
Reference Ranges & Critical Values
| Assay | Gender | Age Range | Normal Range | Critical Values | Units |
|---|---|---|---|---|---|
| U24 UN Calc | ALL | 0 Minutes – 150 Years | 12.0 - 20.0 | g/day |
Specimen Stability
2 days at 2-8°C
Day(s) Performed
Monday - Sunday
LOINC
12967-6
CPT
84540 - Urine Urea Nitrogen
+ 81050 - Total Volume measurement