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HelpTest Code UUN24 Urea, 24 Hour, Urine
Additional Codes
Epic: LAB2450
Specimen Required
Specimen Type: Urine
Collection Container/Type
Preferred: 24-hour Urine Collection
Acceptable: Sterile container
Submission Container/Tube: Clear top (no additive)
Specimen Volume: 3 mL
Collection Instructions:
- Collect a 24-hour specimen.
- Empty the bladder at the start of collection, this urine is discarded.
- Collect all urine after the initial void in the collection container.
- Measure and record the 24-hour volume.
- Record the exact start and completion times of the 24-hour collection on the container label.
Specimen Minimum Volume
0.5 mL
Specimen Stability
Room temperature: 2 days
Refrigerated: 7 days
Frozen: 1 month
Reference Range
12-20 gm/24 HR
Rejection Due To
Unlabeled, mislabeled, wrong tube type, QNS, exceeds specimen stability requirements.
Report Available
Same day
Method Name
Urease
Day(s) Performed
Daily