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Test #


Test CPT Codes


CALR mutation

Test Type


Test Disease

Myeloproliferative neoplasm (MPN)

Test Technology


Clinical Utility

Diagnostic, Monitoring

Test Specimen

Whole Blood:

  • Minimum of 4 mL required

  • Lavender-top (EDTA) tubes required

Bone Marrow:

  • 1-2 ml Bone Marrow required

  • Lavender-top (EDTA) tubes required

  • Maintain specimen at room temperature

  • Provide % blast in sample submitted

Viability Time: (WB, BM)

  • DNA based tests: ambient 1week, refrigerated 1 week

  • RNA based tests: ambient 1 hour, refrigerated 48 hours

Test Storage

  • 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 flx)

Rejection Criteria:

  • Frozen or Fixed blood or bone marrow

  • Specimens collected in anticoagulants other than EDTA or sodium heparin

  • Clotted or grossly hemolyzed specimen

Turnaround Time (TAT)

3-7 days (PB, BM)

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