Systems and methods are described that provide a fast and simple way of administering a drug program related to livestock. Specifically, accurate, automated livestock-to-carcass, meat product, or organ identification systems are provided that can receive, compile and analyze information regarding the condition of a carcass, meat product, or organ in a form that is readily readable, transferable to others, and associated with, or linked to, other information such as the feedlot, lot and/or animal of origin as well as the presence or absence of an administered drug, combination of drugs, or drug program.