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Test Compendium


Test Code

  • 1194

Test Synonym

  • TPMT Activity

Minimum Volume

  • 5 mL

Specimen Requirements

  • Whole Blood


  • Green Top Tube, Lavender Top Tube


  • Refrigerated

Turn Around Time

  • 5 days

CPT Codes

  • 82657
    *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

  • Green-top (sodium heparin) tube or lavender-top (EDTA) tube.

Specimen Stability

  • STABILITY: REF: 14 days FRZ: Unstable