. _:vb50939164 . _:vb50939164 . "OMIM:133100"^^ . "A primary polycythemia that has_material_basis_in mutation in the gene encoding the erythropoietin receptor. It is characterized by increased serum red blood cell mass and hemoglobin concentration, hypersensitivity of erythroid progenitors to EPO, and low serum levels of EPO."^^ . . . _:vb50939164 . "ICD10CM:D75.0"^^ . _:vb50939164 . "ECYT1"@en . _:vb50939164 . "primary familial and congenital polycythemia"@en . . "DOID:0060652"^^ . "familial erythrocytosis 1"^^ . "autosomal dominant benign erythrocytosis"@en . "ORDO:90042"^^ . "disease_ontology"^^ .