Test directory: Folate, Serum and RBCprint testOrdering Code578Test NameFolate, Serum and RBCAliasFolic Acid, Tetrahydrofolate, Pteroylglutamic Acid for RBC andSerumPreferred SpecimenWhole Blood, EDTA, K2 AND SerumPreferred Container1 L (EDTA - Lavender Top) 1 SS (Serum/Separator - Red/Grey or Gold)Optimum VolumeWhole Blood, EDTA, K2: 3 mL AND Serum: 1 mLHandling InstructionsFoil specimens to protect from light.Transport RequirementsOahu: Refrigerated Airline: FrozenSpecimen StabilityWhole Blood for RBC Folate: Ambient: 3 Days, Refrigerated: 3Days, Frozen: 30 DaysSerum for Serum Folate: Ambient: 2 Hours, Refrigerated: 2 Days,Frozen: 1 MonthAvail. StatNOAnalytic Time7 DaysReference Lab Quest Diagnostic Lab-NI