JAK2 Exon 12 and other non-V617F Mutation Blood

Test ID: ZH031

CPT code:
LOINC:
Specimen Type: Lavender EDTA
Frequency: Setup: Mon-Fri; analytic time 5 days
Instructions: 4.0mL whole blood in original lavender tube. Ambient. Min 1.0mL.
Specimen must arrive at Mayo within 72 hours of draw.
Text: This is a second-order test that should be used when JAK2 V617F mutation is negative (ZG729) for detection of non-V617F JAK mutations. Useful for Aiding in the distinction between a reactive cytosis and a myeloproliferative neoplasm, particularly when a diagnosis of polycythemia is being entertained.
Components: Z7001 JAK2 Sequencing Result; Z4218 Final Diagnosis
Methodology: Mutation detection in cDNA using Sanger sequencing

Test Name


AMS Laboratory

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