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We always require an ABO/Rh for each admission, just in case someone else is using that patient's information.

It was Polyclonal material, I didnt detect the anti C or (G) on incoming inspection but did elute it off R2R2 Cells along with an Anti D. These days i stick to monoclonals.

I do not think there is any way to always avoid WBIT. If a particular error in patient or specimen ID can be made once, it can be repeated. What a second specimen does is verify that the two specimens are the same ABO/Rh--which is good enough to avoid an ABO acute hemolytic transfusion reaction. Using a BB armband P&P properly will assure you that the blood you are testing and the patient it is being tested are the same--even if the patient ID is wrong. Scott

I think the point is in an emergency situation where you don't have time to either get the second sample or if you have the second sample and have identified a discrepancy then you should use group O until it is resolved. What other option do you have? If it is not an emergency then of cause a third sample would be required to resolve where the error occurred as well as looking at any other patients on the same ward bled at a similar time to see if there are any other patients involved in the mix up. But I agree with your point that it should be all patients that have a second sample, we required 2 samples regardless of their blood groups.

We do not test a different specimen. Currently regulators in the US only require a second ABO test (in order to release "electronic crossmatched" units). We test the same specimen twice, unless we have a previous record. However, we DO use a BB armband specific for BB specimen draws and transfusions. The phlebotomist applies it and it must be used when ordering, issuing and transfusing blood products. Scott