Mondo Description Congenital dyserythropoietic anemia type IV (CDA IV) is a newly discovered form of CDA characterized by ineffective erythropoiesis and hemolysis that leads to severe anemia at birth.

Uniprot Description A blood disorder characterized by ineffective erythropoiesis and hemolysis resulting in anemia. Circulating erythroblasts and erythroblasts in the bone marrow show various morphologic abnormalities. Affected individuals with CDA4 also have increased levels of fetal hemoglobin.