Orphanet_231249 (Hemoglobin E - beta-thalassemia) (HbE - BT) is a form of beta-thalassemia (see this term) that results in a mild to severe clinical presentation ranging from a condition indistinguishable from beta-thalassemia major to a mild form of beta-thalassemia intermedia (see these terms). Also known as: E-beta-thalassemia, HbE - beta-thalassemia.