Immunoassay (IA)
Red Blood Cell Folate; RBC Folic Acid; Folic Acid; Red Cell Folate; RBC Folate
Whole Blood
Quest Diagnostics San Juan Capistrano
LAB01219
Tuesday-Saturday
1-2 Days
0.2-2 mL Whole Blood
Lavender (EDTA)
Both the HCT and folate will be performed on this tube. If sample is sent frozen, a default hematocrit will be used for calculation of the RBC folate. Do not freeze as this will affect the HCT. Wrap tube in aluminum foil to protect from light.
Refrigerate-OK/Ambient-OK
Room Temp: 72 Hours (5 Days for Folate light protected or amber vial) (48 Hours for Hematocrit); Refrigerated: 72 Hours (5 Days for Folate light protected or amber vial) (48 Hours for Hematocrit); Frozen: 30 Days (Unacceptable for hematocrit)
Received thawed
2 mL Whole Blood
0.2 mL Whole Blood
82747
12-16-16
SL