SPECIMEN PROCESSING and HANDLING

Do not use preservatives. Urine with a pH <2.0 will be rejected. Keep collection container refrigerated during 24-hour collection. Start collection after first morning void. Collect through first morning void of the next day. Take collection to the laboratory as soon as possible on the second day. The laboratory will mix sample well, measure total volume and remove an aliquot to send for testing. Freeze aliquot immediately.