Coagulation Background Disorders of blood clotting include familial diseases such as Hemophilia to the very rare Antithrombin III deficiency.
Coagulation disorders are much more common than is clinically realized.
Traditionally hematologists have been consulted for many of these problems. The pathologist is often overlooked in obtaining consultation for these disorders. A hematopathologist or a transfusion medicine specialist, both subspecialties of pathology, can be a valuable resource.