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Lavender Top EDTA Tube
Specimen Requirements
Preferred:
Container/Tube: Lavender Top EDTA Tube
Also Acceptable:
Pink (K2 EDTA)
Minimum Volume: 1 mL EDTA Whole Blood
Unacceptable
Non-frozen specimens. Clotted specimens.
Specimen Stability
Ambient: 2 hours
Refrigerate: 4 hours
Frozen: 2 months
Reference Range
> 366 ng/mL
Methodology
Quantitative Chemiluminescent Immunoassay
CPT
82747
Lab Handling
Protect from light during collection, storage, and shipment. Mix specimen well. Transfer 1 mL whole blood to an ARUP Amber Transport Tube.
Hematocrit must be performed and indicated on the test request form. If the patient has not received a transfusion or experienced excessive bleeding between the RBC folate draw and the hematocrit draw, any hematocrit drawn within 24 hours of the RBC folate draw is acceptable.
Storage and Transport Temperature
CRITICAL FROZEN
Turn Around Time
Performed
Sun-Sat
Reported
Within 24 hours
Test Alias
- Folate, Red Blood Cell
- Folate, Red Cell
- Folic Acid
- RBC Folate
- Vitamin B9