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Test Compendium

6308: VITAMIN B1 (THIAMINE), BLOOD

Test Code

  • 6308

Test Synonym

  • VITAMIN B1, (THIAMINE), BLOOD, LC/MS/MS

Minimum Volume

  • 0.5 mL

Specimen Requirements

  • Whole Blood

Container

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

Storage

  • 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 , stable only 2 days refrigerated.

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. Recommend freezing since only stable 2 days refrigerated. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.

Specimen Stability

  • AMBIENT: Unstable REFRIGERATED: 2 days FROZEN: 7 days (-20 degrees C)