| Ordering Recommendation: |
Aids in detection of folate deficiency.
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| Methodology: |
Quantitative Chemiluminescent Immunoassay
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Collect: Lavender (EDTA) or pink (K2EDTA).
Specimen Preparation: Protect from light during collection, storage, and shipment. Mix specimen well. Transfer 1 mL whole blood to an ARUP Amber Transport Tube.
Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Remarks: 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.
Unacceptable Conditions: Non-frozen specimens. Clotted specimens.
Stability (collection to initiation of testing): Ambient: 3 hours; Refrigerated: 24 hours; Frozen: 2 months
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