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Test Code FOLATERBC Folate, RBC, Quest #467

Important Note

***Whole blood is required for this test.  Please send primary tube if possible.***

Infectious

Additional Codes

QUEST #467

Meditech Mnemonic:  FOLATERBC

Specimen Requirements

Preferred Specimen:  2mL EDTA whole blood, room temperature

Acceptable Specimen:  2mL EDTA whole blood, frozen

 

SPECIMEN PROCESSING and HANDLING

Whole blood collected in an EDTA (lavender-top) tube sent at room temperature will have folate and hematocrit testing performed.  Note: HCT testing cannot be performed on a frozen specimen. A default HCT result will be used for calculation of the RBC folate value.

TRANSPORT TEMPERATURE

Preferred Transport Temperature:  Room temperature

Acceptable Transport Temperature:  Frozen (will not perform HCT)

 

Specimen Stability:

FOLATE (EDTA):

Room Temperature:  5 days

Refrigerated:  5 days

Frozen:  60 days

 

HCT:

Room Temperature:  48 hours

Refrigerated:  48 hours

Frozen:  Unacceptable

PERFORMING LAB

Quest Diagnostics-South West