An internal medicine branch, hematology deals with diagnosis, treatment, prognosis and prevention of blood-related disorders. Hematology is the study of blood in health and disease. It includes problems with the red blood cells, white blood cells, platelets, blood vessels, bone marrow, lymph nodes, spleen, and the proteins involved in bleeding and clotting (hemostasis and thrombosis).
In the medical field, hematology includes treatment of blood disorder, including hemophilia, leukemia, lymphoma, and sickle-cell anemia.
A hematologist is a medical doctor who applies this specialized knowledge to treat patients with blood conditions. Hematologists focus on lymphatic organs and bone marrow and diagnose blood count irregularities or platelet irregularities.
One of the most common hematology test is CBC, or complete blood count. This test is usually conducted at the time of a routine exam. CBC test can detect anemia, clotting problems, blood cancer, immune system disorder and infections. Other hematology tests include blood chemistry test and blood enzyme test.