The Anti-A, Anti-B, and Anti-AB reagents are used in the red blood cell determination of the ABO blood group, to determine the absence or presence of erythrocytic antigens A and/or B on the surface of human red blood cells.
The determination of an ABO blood group is defined by demonstrating the presence, or absence, of antigens A and/or B on the surface of human red blood cells, and by detecting the presence, or absence, of anti-A and/or anti-B antibodies in the plasma. It is therefore appropriate to identify the erythrocyte antigens using known anti-A and anti-B, then to confirm the results by verifying the presence of the corresponding antibodies in the plasma, from the test blood, using known red blood cells A1 and B (reverse group). Additional testing of the red blood cells with Anti-A,B reagent, facilitates the recognition of certain weak subgroups, and is sometimes used as further confirmation of the reactions obtained with Anti-A and Anti-B reagents.
Anti-A and Anti-B are colour coded to international conventional standards. They contain 0.1% Sodium Azide as a preservative, and are stable for two years from the date of manufacture.
The test is performed using ABO Antisera, and the patient's red cells, taken either by finger prick or venous blood, collected into either K2EDTA or dry serum blood collection tubes

Supplied in 10ml dropper bottles either individually or packs of 10.

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