FOLATE, RBC

Test Documentation
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.

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