Test directory: Folate, RBC print test Ordering Code 4902 Test Name Folate, RBC Alias Red Blood Cell Folate, RBC Folic Acid, Folic Acid, RBC, FolicAcid, Red Cell Folate, RBC Folate Preferred Specimen Whole Blood, EDTA, K2 Preferred Container 1 L (EDTA - Lavender Top) Optimum Volume 3 mL Handling Instructions Foil specimen to protect from light. Transport Requirements Oahu: Refrigerated Airline: Frozen Specimen Stability Ambient: 72 Hours, Refrigerated: 72 Hours, Frozen: 30 Days Avail. Stat NO Analytic Time 7 Days Reference Lab Quest Diagnostic Lab-NI