JAK2 Exon 12 Mutation
Label Mnemonic: JAK2EX12
Epic code: LAB8052
Order form: Comprehensive Hematopathology Requisition
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 81279
Collection Medium:
Pink top tube 6 mL (K2-EDTA)
5 mL whole blood in pink top (EDTA) tube
Rejection Criteria:
Serum. Frozen specimens. Clotted or grossly hemolyzed specimens. Specimens collected in anticoagulants other than EDTA.
Turn Around Time:
7-10 days upon receipt
Interpretive Data:
Refer to report.
May be useful in cases with suspicion of polycythemia vera and negative JAK2 V617F mutation status.
Massively parallel Next Generation DNA sequencing by synthesis, semiconductor technology, Ion Personal Genomics Machine
Sample Processing:
Label transport tube with two patient identifiers, date and time of collection.
Patient's age and sex is required on requisition for processing.
Relevant clinical information must be submitted with specimen in order to provide correct interpretation of test results.
Lavender tube is sent as whole blood, no processing necessary.
Do Not Centrifuge.
Sample Storage:
Room temperature for up to 24 hours, then refrigerate the whole blood if it is necessary to be held overnight, weekends, or holidays.
Transport Instructions:
Place requisition into outside pocket of bag.
Recommend early AM overnight shipping or equivalent if not on courier service.
Ship refrigerated.
CPT Code: