FOLATE, RBC

Specimen Required
Draw blood in a lavender EDTA tube. Fasting preferred. Send 3.0 mL whole blood (0.5 mL minimum) refrigerated. If specimen is submitted frozen, please provide hematocrit. A hematocrit collected within 24 hours of the RBCF collection is acceptable if the patient has not received a transfusion or experienced excessive bleeding in that 24 hour period.

Rejection Criteria
Lipemia, clotted whole blood, plasma, serum

Methodology
Chemiluminescence

Stability
Room Temperature: 8 hours; Refrigerated: 72 hours; Frozen: 2 months

Reference Range
280-791 ng/mL

Performed
Monday-Friday

Turnaround Time3 days
Test CodeRBCF
CPT-4 Code (s)
82747
LOINC Codes
2283-0

Warde
Medical
Laboratory