Collect 1.0 mL (minimum 025 mL); no preservatives, urine. No specific restrictions.
Freeze immediately and ship frozen on dry ice.
Ship samples by guaranteed overnight courier* to arrive Monday-Thursday at performing laboratory. SATURDAY AND HOLIDAY DELIVERIES ARE NOT ACCEPTED.
*Do not use U.S. Postal Express as samples may take 3-4 days to arrive and will be unusable.