has material basis in germline mutation in GATA1 hereditary disease hematologic disorder GATA1-Related X-Linked Cytopenia MEDGEN:335283 GATA1-Related X-Linked Cytopenia GARD:0026040 X-Linked cytopenia characterized by anemia and/or thrombocytopenia. Additional features including platelet dysfunction, dyserythropoesis, mild beta-thalassemia, neutropenia, or congenital erythropoetic porphyria may be present. These GATA1 variants are germline as opposed to GATA1 variants seen in leukemia. UMLS:C1845837 GATA1-Related Cytopenia MONDO:0100089