A technologist performs an ABO typing on a patient previously typed as AB-. The following results were obtained: Red Cells Tested with Anti-A Serum Tested with Reagent Red Cells Anti-B Anti-D 3+ A. 12+ D Control 2+ What should the technologist's next step be?
o Nothing, the result is correct.
o Perform a clerical check.
o Wash the red cell suspension, repeat phenotype, and perform the saline replacement technique.
o Check the reagents in case of deterioration.