A system for reading identifying information regarding a syringe assembly provided in a fluid injector is provided, the system including at least one syringe assembly having a syringe barrel with a distal end having a nozzle for expelling fluid therefrom and an open proximal end, the syringe barrel defining an interior volume, at least one indicator provided on at least a portion of an outer circumferential surface of the syringe barrel, the at least one indicator containing or associated with identifying information about the at least one syringe assembly, an injector having at least one syringe port configured to receive the at least one syringe assembly and to eject fluid therefrom, and a sensor module that activates the at least one indicator and receives information from the at least one indicator.