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The page below is a sample from the LabCE course ABO Typing Discrepancies. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Testing with Lectins

Lectins are plant extracts that have the ability to agglutinate human red blood cells. Specific lectins are associated with certain red blood cell antigens and can prove to be beneficial when trying to resolve an ABO discrepancy generated by problems arising from ABO antigens.
Used for
Dolichos biflorus
A1 or A1B cells
A subgroup resolution
Bandeiraea simplicifolia
B cells
B subgroup or Acquired B resolution
Ulex europaeus
O cells and other groups according to the amount of H antigen present
Bombay and ABO subgroup resolution