What are the causes and laboratory findings in erythrocytosis or Polycythemia? Questions in Clinical Laboratory Diagnosis What are the causes and laboratory findings in erythrocytosis or Polycythemia? Scholar Idea December 7, 2016 1 What are the causes and laboratory findings in erythrocytosis or Polycythemia? . Read More Read more about What are the causes and laboratory findings in erythrocytosis or Polycythemia?