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HelpTest Code UUA24 Uric Acid, 24 Hour, Urine
Additional Codes
Epic: LAB841
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: 2 mL
Collection Instructions:
- Add Sodium Hydroxide (NaOH) as preservative at start of collection.
- 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
1 mL
Specimen Stability
Room temperature: 4 days (if pH >8)
Refrigerated: Not defined
Frozen: Not acceptable
Reference Range
See laboratory report
Rejection Due To
Unlabeled, mislabeled, wrong tube type, large amount of free hemoglobin, and/or bilirubin,, QNS, exceeds specimen/stability requirements.
Day(s) and Time(s) Performed
Daily
Report Available
Same day
Method Name
Uricase