Thrombocytopenia with congenital dyserythropoietic anemia (CDA) is a rare hematological disorder, seen almost exclusively in males, characterized by moderate to severe thrombocytopenia with hemorrhages with or without the presence of mild to severe anemia. The disease is MONDO_0019031 (thrombocytopenia with congenital dyserythropoietic anemia). Also known as: X-linked congenital dyserythropoietic anaemia with thrombocytopenia, X-linked congenital dyserythropoietic anemia with thrombocytopenia, XDAT, congenital dyserythropoietic anaemia with thombocytopenia, congenital dyserythropoietic anemia with thombocytopenia.