Immunohematology is a branch of haematology which studies antigen-antibody reactions and similar phenomena and  Characterization of blood disorders based on their pathogenicity and membrane-bound organelles of blood cells. Immunohematology includes blood typing, cross-matching and antibody identification. Immunohematology is the study of RBC antigens and antibodies related to blood transfusions. There are about  230 types of antigens present on the surface of RBCs that, based on their chemical structure and can be grouped into two major categories such as carbohydrates and polypeptides. The erythrocytes antigen formation is encrypted by specific genes inherited from parents and categorized in blood group systems.

Related Conference of Immunology