Alpha-thalassemia - intellectual disability syndrome linked to chromosome 16 (Orphanet_98791, an Orphanet rare-disease nomenclature term) is alpha-thalassemia-intellectual deficit syndrome linked to chromosome 16 (ATR-16), a contiguous gene deletion syndrome, is a form of alpha-thalassemia (see this term) characterized by microcytosis, hypochromia, normal hemoglobin (Hb) level or mild anemia, associated with developmental abnormalities. Also known as: ATR syndrome linked to chromosome 16, ATR syndrome, deletion type, ATR-16 syndrome, Alpha thalassemia - intellectual disability syndrome, deletion type, Alpha thalassemia - retardation syndrome.