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Test #


Test CPT Codes


JAK2 V617F mutation

Test Type


Test Disease / Components

Myeloproliferative neoplasm (MPN)

Test Technology


Clinical Utility

Diagnostic, Monitoring

Test Specimen

Peripheral Blood:

  • Minimum of 4 mL required

  • Lavender-top (EDTA) tubes preferred

Bone Marrow:

  • 1-2 mL Bone Marrow required

  • Lavender-top (EDTA) tubes preferred

  • Maintain specimen at room temprature

Rejection Criteria:

  • Frozen or Fixed Specimen

  • Specimen collected in anticoagulants other than EDTA or sodium heparin

  • Clotted or grossly hemolyzed specimen


Storage, Stability & Shipping


  • Label specimen with patient's name and date of birth

  • Complete requisition form with necessary information

  • Local Clients call KSL Diagnostics at 1.800.960.1080 to schedule a pickup

  • Ship samples at room temperature (do not freeze or fix)


  • Specimen viability decreases during transit

  • Send day of collection when possible

  • Specimen optimum if received within 48 hours

  • Ambient = 24-48 hours, refrigerated = 3 days (preferred)

Turnaround Time (TAT)

7-10 days

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