Specimen Collection Requirements
Preferred: 24 hour urine, one sterile acid-free container Also acceptable: Random urine.
Collect urine over 24 hours. Refrigerate during collection. Mix urine well in one container before removing aliquot. Record collection time interval and total volume on transport tube and test request form.
Grossly hemolyzed specimens
UNPRESERVED SPECIMENS: Ambient (15-25°C): 3 days (provided that there is no bacterial growth to destroy the uric acid); Refrigerated (2-8°C): 7 days; Frozen (at or below -20°C): 6 months
Samaritan Health Services Laboratories
Timed Urines: 250-750 mg/day.
Thursday, January 5, 2017 03:42:33 AM