Skip to content

Specimen Validity

Testing Information

Sample Type
Urine
Testing Area
Toxicology
Test Methodology
Immunoassay
Panel Contents
Creatinine, Oxidants, pH, Specific Gravity, True SD
Reference Range
N/A
Expected Turnaround Time
24 hrs
Specimen Collection Criteria
Sterile urine cup or tube
Rejection Criteria
Quantity Not Sufficient (< 1mL), Specimen not labeled properly, Specimen leaked
Specimen Validity and Retention
Room Temperature (20-25°C): 72 hrs Refrigerated (2-8°C): 7 days. Frozen (-20° or below): 14 days
Courier Transportation
Transport specimen at room temp (20-25°C) or refrigerated (2-8°C).
Clinical Utility
Testing used to detect substitution, adulteration, or dilution of urine samples.