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Test Compendium


Test Code

  • 6308

Test Synonym


Minimum Volume

  • 0.5 mL

Specimen Requirements

  • Whole Blood


  • Amber Tube- Refrigerated, Lavender Top Tube, Amber Tube- Frozen


  • Frozen

Turn Around Time

  • 7 days

CPT Codes

  • 84425
    *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

  • 1 mL WHOLE BLOOD from a EDTA LAV in an Amber transport tube or foil wrap ship Frozen.

Additional Information

  • Lavender-top (EDTA) tube; Transfer whole blood to plastic transport tube and protect from light -amber plastic transport tube with amber-top. (If amber tubes are unavailable, cover standard transport tube completely, top and bottom, with aluminum foil. Identify specimen with patient name directly on the container AND on the outside of the aluminum foil. Secure with tape.) Draw blood. Do NOT separate. Transfer to Amber- Protect specimen from light. FREEZE. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.

Specimen Stability

  • FROZEN: 7 days (-20 degrees C)