What Does A Negative Jak2 V617F Mutation Test Mean?
A negative JAK2 V617F test means the lab did not detect the JAK2 V617F mutation in your blood or bone marrow sample. This mutation is a specific change in the JAK2 gene that is found in most people with polycythemia vera and in roughly half of people with essential thrombocythemia or primary myelofibrosis. A negative … Read more