Gamma Lewis Blood Group Substance is intended for use in assistance in the identification of unexpected blood group antibodies by neutralizing anti-Lea and anti-Leb activity in serum or plasma. Gamma Lewis Blood Group Substance is a standardized solution of human Lea and Leb blood group substances in phosphate-buffered saline. This package configuration is one (1) vial of 2 mL volume.
A substance or reactant intended to be used alone or in combination with other IVDs for the removal, adsorption, absorption, or inactivation of non-specific immunoglobulins and/or rheumatoid factor antibodies present in a clinical specimen, to prevent interference when testing for other specific classes of immunoglobulin.