Basically classified by causative mechanism, types of<unk>  include: * Genetic conditions of RBC Membrane * Hereditary spherocytosis * Hereditary elliptocytosis * Genetic conditions of RBC metabolism (enzyme defects). This group is sometimes called<unk>  nonspherocytic<unk><unk> , which is a term for a<unk>  without spherocytosis, and usually excluding hemoglobin abnormalities as well, but rather encompassing defects of glycolysis in the erythrocyte. * Glucose-6-phosphate dehydrogenase deficiency (G6PD or favism) * Pyruvate kinase deficiency * Aldolase A deficiency * Hemoglobinopathies/genetic conditions of hemoglobin * Sickle cell<unk>  *<unk>  dyserythropoietic<unk>  * Thalassemia
Congenital hemolytic anemia
Mixed autoimmune hemolytic anemia
Paroxysmal nocturnal hemoglobinuria
Acquired hemolytic anemia
Paroxysmal cold hemoglobinuria
EEM syndrome
Congenital hypoplastic anemia
Beta thalassemia