iron deficiency beta thalassemia alpha thalassemia  folate electrophoresis Epogen CBC MCV ferritin sickle cell sickle trait hematocrit hemoglobin reticulocyte count coomb coombs RBC red blood cell count G6PD deficiency Hemoglobinopathies Microangiopathic anemias HUS TTP Spherocytocsis Elliptocytosis RDW B12 folic acid IV iron vitamin C