Specimen Requirements
Title
Folate, RBC
Specimen Requirement
Collect lavender EDTA/3.0 mL whole blood, send in original collection tube.
Fasting is preferred.
Please note: Methotrexate and Leucovorin may interfere with assay.
Methodology
Chemiluminescence
Stability
Room temp: 8 hours, Refrigerated: 72 hours, Frozen: 60(Do not send frozen-HCT required prior to freezing)
Reference Range
By Report*
Turnaround
1-3 days, Performed Monday-Friday
Clinical Use
Detect folate deficiency; monitor therapy with folate; evaluate megaloblastic and macrocytic anemia
Test Code
RBCF