The sample must be collected in a plastic container and should be refrigerated during collection. Studies indicate that refrigeration alone, during and after collection, preserves specimens adequately if tested within 14 days of collection. Record total volume and collection time on aliquot and test requisition.
Transfer 8 mL aliquot from a well-mixed collection to Trace Element-Free Transport Tubes. Available through Legacy Client Services (Min: 2 mL).