Liquid Chromatography Mass Spectrometry
Urine, Timed Collection
Quest Diagnostics San Juan Capistrano
24-Hour Urine Container
Ship frozen (Do not thaw)
Room Temp: Unacceptable , Refrig: Unacceptable , F
Thawed 24-hour urine, pH <2.0, IVP within 48 hours
Do not use preservatives. Urine with a pH less than 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 ASAP on the second day. The laboratory will mix sample well, measure total volume and remove an aliquot to send for testing. Freeze aliquot immediately.