At a Glance
Why Get Tested?
To help diagnose bone marrow disorders characterised by overproduction of one or more types of blood cells known as myeloproliferative neoplasms (MPNs)
When to Get Tested?
When your doctor suspects that you may have a bone marrow disorder, including polycythaemia vera, essential thrombocythaemia, or primary myelofibrosis
A blood sample taken from a vein in your arm; sometimes a sample of bone marrow
Test Preparation Needed?