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Our blood supplier is shortly going to be introducing FFP Riboflavin treated, and Apheresis plasma Riboflavin treated. We have been told that the ISBT codes to use are EA435 and EA436. Does anyone know what the ISBT codes are these products when they are thawed or aliquoted? I do not have access to the ICCBBA website so I cannot check on there.

Our blood supplier is shortly going to be introducing FFP Riboflavin treated, and Apheresis plasma Riboflavin treated. We have been told that the ISBT codes to use are EA435 and EA436. Does anyone know what the ISBT codes are for these products when they are thawed or aliquoted? I do not have access to the ICCBBA website so I cannot check on there.

In terms of the function of the various ABO blood types, there have been a huge number of peer-reviewed papers written on the subject (and the number has exploded with the advent of COVID19). I would seriously defy anyone to keep up with all of these, but I would recommend reading pages 42-43 of Reid ME, Lomas-Francis C, Olsson ML. The Blood Group Antigen FactsBook. 3rd edition, 2012. Academic Press. ISBN: 978-0-12-415849-8. In terms of how they evolved, it is so far back now that it is anyone's guess, but slides 28 to 32 of the attached lecture may give you some idea. In Depth Lecture on The ABO and H Blood Group Systems.pptx