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Test Compendium


Test Code

  • 6848

Test Synonym


Specimen Requirements

  • Whole Blood


  • 2 Lavender Top Tubes


  • See Stability

CPT Codes

  • 82747,85014
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • Whole Blood Frozen in a Plastic transport tube and Lavender Top Tube sent refrigerated

Additional Information

  • Draw 2 full lavender-top (EDTA) tubes - per instructions submit to lab; Transfer 7 mL from one whole blood tube into a plastic transport tube and FREEZE. Refrigerate second whole blood tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST. This test requires Frozen Whole Blood and a refrigerated Lavender Top Tube

Specimen Stability

  • Stability AMBIENT: Whole Blood for the RBC Folate 2 hours , REFRIGERATED: Whole Blood for the RBC Folate 24 hours , FROZEN: Whole Blood for the RBC Folate stable, Do not Freeze both Lavender Tubes Whole Blood - This test requires 1 Lavender Top Tube Frozen within 24 hours of collection and 1 Lavender Top Tube maintained Refrigerated