Test Name: JAK2 V617F Mutation Analysis
Methodology: Molecular Genetics
Detects the V617F mutation. The rare mutation V617I is also detected. Testing is performed on plasma for increased sensitivity whenever possible. V617F testing may be ordered separately, concurrently with full exon 12-14 sequencing, with reflex to exon 12-14 sequencing, or as part of the MPN Reflex Panel.
•Peripheral blood: 4 mL in EDTA tube.
•Bone marrow: 2 mL in EDTA tube.
Storage and Transport
Use cold pack for transport, making sure cold pack is not in direct contact with specimen. Ship same day as drawn whenever possible; specimens <72 hours old preferred.
Specimen Rejection Criteria
Turn Around Time (TAT): 5 Days
CPT Codes*: JAK2 V617F Only: 81270 JAK2 V617F and EXON 12-14 run concurrently or by reflex: 81270, 81403
*The CPT codes provided with our Test Descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.