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Test Compendium


Test Code

  • 1582

Test Synonym

  • Serotonin (Whole Blood)

Specimen Requirements

  • Whole Blood


  • Serotonin Kit


  • Frozen

Turn Around Time

  • 6 days

CPT Codes

  • 84260
    *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

  • 10 mL EDTA/ascorbic acid mixture Whole Blood from Lavender-top (EDTA) tube in transport tube containing 75 mg ascorbic acid. Preferred Frozen (stable 24 hours Refrigerated) - See Handling/Draw Instructions

Additional Information

  • Sample collection practices that prevent blood clotting and oxidation of serotonin are imperative. Collect three tubes 4 mL each) whole blood. Invert tubes at least ten times to ensure thorough distribution of EDTA. Transfer 10 mL whole blood to transport tube containing 75 mg ascorbic acid. Thoroughly mix by inverting whole blood/ascorbic acid mixture another ten times. FREEZE transport tube and SEND ENTIRE COLLECTION to the laboratory. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.

Specimen Stability

  • AMB: 4 hours RF: 24 hours FR: 16 days