The utility of testing erythropoietin level in polycythemia diagnosis.

Objectives: Polycythemia vera (PV) is classically thought to be associated with low erythropoietin (EPO) levels. Here, we present a review of the utility of using EPO levels in diagnosing polycythemia.

Methods: We conducted a systematic literature review of the Medline data through Pubmed and Google Scholar.