Table 3.

2016 WHO major and minor criteria for PCV diagnosis [12].

Major criteria	1	Hemoglobin > 16.5 g/dL in males and > 16.0 g/dL in females or Hematocrit > 49% in males and > 48% in females or Increased red cell mass
	2	Bone marrow showing hypercellularity for age with panmyelosis and presence of proliferation of mature megakaryocytes
	3	Positive testing for JAK2 V617F or JAK2 exon 12 mutation
Minor criterion		Subnormal serum erythropoietin level