A system, workflow and facilities for hybrid tissue banks are provided with a central access way having spaces on both sides for public and private diagnostic areas, public and private clean room areas for processing, culturing and other manufacturing steps, public and private storage areas, wherein air flow is into said clean rooms and out of said diagnostic areas and said storage areas, and wherein all public facilities are on one side of the central access-way and private facilities are on the other side, and wherein there are sample pass-throughs between each area, and at least the sample pass-through into and out of the clean room processing areas comprise small enclosed chambers having two access panels (one leading to each space), wherein only one panel can open at a time. Preferably, these areas are preceded by receiving spaces and terminated by shipping spaces, which also have pass-through chambers. The rooms may be vertically separated on different floors with vertical sample transportation mechanism.