All of the transfusion services that I have worked at before have had separate fridges/freezers for blood products, reagents, and specimens, however, I've recently started as supervisor in a new facility and fridge and freezer space is at a premium. The FDA, AABB, and CAP all talk about segregation requirements for blood products (autologous vs, allogeneic, crossmatched vs. available, viral-tested positive vs. viral-tested negative) however I can't find any specifics on what constitutes "segregated"- other than a mention of physically or electronically segregated in regards to autologous products. Are we talking separate shelves or would bins/divided and labeled sections on the same shelf be adequate? From my training/background having crossmatched/available/autologous products in separate bins on the same shelf is acceptable, but reagents should never be on the same shelf as live blood products (as opposed to dead/expired products used for validation and training). What is everyone's thought/experience with this topic? And have any of you found any guidance in the literature/regs? Thanks!!