FOLATE, SERUM

Test Documentation
Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Lipemia, hemolysis, plasma

Methodology
Chemiluminescence

Stability
Room Temperature: Unacceptable; Refrigerated: 72 hours; Frozen: 6 months

Reference Range
Normal:   >5.38 ng/mL  
Indeterminant:   3.38-5.38 ng/mL  
Deficient:   <3.38 ng/mL  

Performed
Monday-Friday

Turnaround Time3 days
Test CodeFOL
CPT-4 Code (s)
82746
LOINC Codes
2284-8

Warde
Medical
Laboratory