At a Glance
Why Get Tested?
Either to help tell the difference between polycythaemia vera and secondary polycythaemia or to help tell the difference between different types of anaemia. It also shows whether the amount of erythropoietin being produced is appropriate for the level of anaemia present
When to Get Tested?
If a patient has an elevated red blood cell count or an anaemia that the doctor suspects may be caused by decreased red blood cell production
A blood sample taken from a vein in your arm
Test Preparation Needed?