21, Jul, 2017
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ABO GROUPING AND Rh D GROUPING

ABO GROUPING AND Rh D GROUPING ABO GROUPING AND Rh D GROUPING

ABO Grouping

There are two methods for ABO grouping:

  • Cell grouping (forward grouping): Red cells are tested for the presence of A and B antigens employing known specific anti-A and anti-B (and sometimes anti-A, B) sera.
  • Serum grouping (reverse grouping): Serum is tested for the presence of anti-A and anti-B antibodies by employing known group A and group B reagent red cells.

Both cell and serum grouping should be done since each test acts as a check on the other.

There are three methods for blood grouping: slide, tube and microplate. Tube and microplate methods are better and are employed in blood banks.

Further Reading:

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