label: Hemoglobin Beta Heterozygous Insufficiency Plus Null Genotype
label_lc: hemoglobin beta heterozygous insufficiency plus null genotype
description: "A genetic finding indicating that one copy of chromosome 16 has a hemoglobin beta gene (HBB) with mutations that lead to hemoglobin subunit beta insufficiency (B+) and the other copy has HBB loss of function or gene deletion mutations (B0). This genotype is associated with beta thalassemia intermedia."