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Test Compendium


Test Code

  • 7309

Test Synonym

  • Tysabri Ab

Minimum Volume

  • 1 mL

Specimen Requirements

  • Serum


  • Serum Separator Tube, Plain Red Top Tube, Transfer Tube- Serum


  • Frozen

Turn Around Time

  • 4 days

CPT Codes

  • 83516
    *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 Serum

Additional Information

  • Allow to clot for 30 minutes. Serum must be separated from cells within 1 hour of venipuncture. Send serum in a plastic transport tube

Specimen Stability

  • AMBIENT: REFRIGERATED: 2 weeks FROZEN: 2 weeks