As our hospital network expanded, there were many patients who moved between locations. They might first start in an emergency room and then be transferred to a specialty hospital. These locations might be served from different hospital blood banks/transfusion services. What happens if work is progress from one site when the new site receives the patient. Must the previous workup be repeated or could it be used for transfusion at the next site?
For example, the ABO typing could be performed at one site and the antibody screen at a second site, and the antibody identification at still another site. Could the results be used across the entire system?
I had multiple hospital blood banks and blood donor centers. The general and specialty laboratories had multiple sites. The hospital information system was set up so that the various tests could only be performed at specific designated sites. This posed problems as patients were moved around or if some site(s) became inoperative since the specimens then had to transported at great distances for testing. Only a few basic STAT tests were available at all sites.
It was my decision to allow all test categories at all sites, e.g. a DAT request from any site, any methodology, could be used to satisfy the order. Similarly, all donor processes were available at all donor centers (the processes could be completed at one or more sites). Different hospital blood banks had different equipment but all the test categories were the same across site—the methodologies might differ. We had at least four different DATs across our system.
The interface between the blood bank and hospital system worked as follows: In the hospital information system HIS, test orders pointed to a category of testing and any methodology for that category at any site could be used in the blood bank system for testing and reporting back to the HIS. Any test in a category from any site could be used to satisfy the test request. Blood bank staff would choose the particular test methodology to use. It was NOT specified by the HIS!
In summary, for blood banks and donor centers within our system, the work could be flexibly moved between sites. There was no need to repeat testing when a patient transferred to a new site. The only type the work was repeated if testing was done at an institution outside our system.