what is hemtology
From Wikipedia, the free encyclopedia. Hematology, also spelled haematology (from the Greek Î±á¼·Î¼Î±, haima blood and -Î»oÎ³Î¯Î±), is the branch of medicine concerned with the study, diagnosis, treatment, and prevention of diseases related to the blood.Hematology includes the study of etiology.heir routine work mainly includes the care and treatment of patients with hematological diseases, although some may also work at the hematology laboratory viewing blood films and bone marrow slides under the microscope, interpreting various hematological test results and blood clotting test results.