Jak2 V617F Mutation

Test name:
Jak2 V617F mutation

Order name:
JAK2

Specimen requirements:
EDTA peripheral blood or bone marrow

Minimum volume:
0.5mL.

Storage and stability information:
Room temperature, 1 week

Test performed:
Once per week

Methodology:
Real-time Polymerase Chain Reaction (PCR)

Reference range:
Negative for the Jak2 V617F mutation

Clinical significance:
The mutation affecting the Janus Tyrosine Kinase 2 (JAK2 V617F) is the most common molecular abnormality in chronic Myeloproliferative Disorders (MPD). The highest mutation frequency occurs in patients with PV (Polycythemia Vera, >90%) or ET (Essential Thrombocythemia, 35% to 70%); the lowest frequency is in PMF patients (Primary Myelofibrosis, 50%).

CPT codes:
81270