A method of temporarily displaying information about a patient to a healthcare provider includes: (1) providing a computing system comprising an input device and a processor in data communication with memory comprising a code generator; (2) inputting, via the input device, patient specific information into the memory for a first patient; (3) accessing the code generator to generate a first code for the first patient, the first code being based on the patient specific information; (4) providing a TCI printer having TCI, the TCI printer being in communication with the computing system; (5) placing the TCI printer on a first area of the first patient; and (6) activating the TCI printer to print the first code on the first area of the first patient.