label: hereditary persistence of fetal hemoglobin-beta-thalassemia syndrome
label_lc: hereditary persistence of fetal hemoglobin-beta-thalassemia syndrome
description: "Hereditary persistence of fetal hemoglobin (HPFH) associated with beta-thalassemia is characterized by high hemoglobin (Hb) F levels and an increased number of fetal-Hb-containing-cells."