JAK2

Also known as: Janus Kinase 2

Formal name: JAK2 V617F; JAK2 exon 12 and 13

Related tests: Bone Marrow Aspiration and Biopsy, Erythropoietin, CBC, MPL (Myeloproliferative leukemia) mutation

At a Glance

Why Get Tested?

To help diagnose myeloproliferative disorders (MPDs)

When to Get Tested?

When your doctor suspects that you may have polycythemia vera, essential thrombocythemia, or primary myelofibrosis

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None

This article was last reviewed on September 14, 2009. | This page was last modified on March 6, 2010.

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