Lutheran Negative Phenotype: The Rare Lu(a-b-) Null Blood Group
1. Introduction The Lutheran negative phenotype, formally designated in immunohematology as the Lu(a-b-) or Lutheran null phenotype, represents the absolute rarest genetic classification within the Lutheran blood group system. The bottom line is that individuals possessing the true recessive form of this phenotype face extreme, life-threatening immunological risks if they require a blood transfusion, as … Read more