SUBMISSION/TRANSPORT (<3 days): Room Temperature. For storage beyond three days, specimen should be refrigerated or frozen. The storage instructions reflect optimal storage conditions for samples that have a typical pathway through preanalytical steps. Stability information is provided to inform decisions for samples that do not follow typical pathways, such as add on testing days after collection.
Methodology
Liquid chromatography/tandem mass spectrometry (LCMSMS)
Stability
Room Temperature: 14 days Refrigerated: 14 days Frozen: 6 weeks