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Information provided for the test includes types of specimens required, volume and handling instructions. If you are unable to locate the test you need please call our Client Services Department at 1-800-877-7016.


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RFOL      RBC Folate
Reported as: RBC FOLATE
Also known as: Red Blood Cell Folate
Specimen Requirements
Collect:  Two lavender (EDTA) 3.0 mL
Minimize exposure to light.
Transport:  2 lavender tubes (whole blood): one whole blood frozen; one whole blood refrigerated
Refrigerated specimen is for hematocrit determination.
Minimize exposure to light.
Unacceptable Conditions:  Frozen specimen for hematocrit.
Unfrozen specimen for RBC folate.
Stability:  Ambient: 3 Hours / Refrigerated: 24 Hours / Frozen: 14 Days Folate is sensitive to light.
Test Performance
Performed:  Daily
Reporting Time:  Final within 24 Hours
CPT Codes
Resulting Information
Result Units:  ng/mL
Methodology:  Chemiluminescence
 Reference Ranges:
Revision History
08/18/2017Biennial ReviewSpecimen collection clarified per DB 11983.

The information on this page is current as of 12/15/2017.
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