A member asked:

Is polycythemia vera hereditary?

A doctor has provided 1 answer

Sometimes.: Most patients with polycythemia vera develop the condition in adulthood, most commonly from an acquired mutation in the jak2 gene, and are not born with it. However, there are families who pass on the tendency to have a high red blood cell count through a variety of genetic mutations. It is usually well known in the family when that is the case.

Answered 12/9/2018

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