The NHS has invested heavily in systems to minimise the problems associated with Serious Hazard of Transfusion (SHOT) and administering incorrect doses or drugs to patients through the use of barcodes.

We can track a parcel around the World and see each stage of its delivery in great detail, identify each port entered, each warehouse encountered and finally who signed for its delivery, acknowledging its safe receipt. All of this is done using barcodes and Automatic Identification (Auto ID) technologies to ensure human error is avoided. [...]