Erythrocytosis, Familial, 5, also known as ecyt5, is related to erythrocytosis, familial, 7 and neonatal anemia. An important gene associated with Erythrocytosis, Familial, 5 is EPO (Erythropoietin), and among its related pathways/superpathways are Cellular responses to stimuli and PI3K-Akt signaling pathway. Affiliated tissues include bone marrow and bone, and related phenotypes are polycythemia and increased hematocrit