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Test Code SQ UURC24, EPIC LAB841 Uric Acid, Quantitative, 24 Hour, Urine

Methodology

Enzymatic Colorimetric (Uricase)

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Specimen Type: Urine, 24-hour collection
Container/Tube: Plastic urine container
Specimen Volume: 20 mL
Collection Instructions:

1. Collect urine for 24 hours.

2. Add 10 mL of 5% NaOH as preservative at start of collection as preservative. Do not refrigerate.

3. Follow instructions in Urine Collection in Special Instructions.

4. Mix well before taking aliquot.

Additional Information:

1. 24-Hour volume is required.

2. If not equipped to accurately measure total urine volume, forward entire collection to Meriter Laboratories.

Specimen Transport Temperature

Ambient/Refrigerated NO/Frozen NO

Reference Values

250-750 mg/24 hours

Day(s) Test Set Up

Monday through Sunday

Specimen Requirements Additional Information

Specimen Stability:

Urine with NaOH preservative is stable at ambient temperature (15° C-25° C) for 4 days.

Test Classification and CPT Coding

84560-Uric acid

81050-Urine timed measurement (non-aliquoted specimen only)

Special Instructions