A patient monitor/infusion system is disclosed. The monitor/infusion system includes a medical device having a first machine parsable code and a medical device transmitter, configured to broadcast encrypted data indicative of a characteristic of the user. The monitor/infusion system further includes a mobile device with a plurality of sensors to capture the first machine parsable code. The mobile device further having a receiver to receive encrypted data broadcast by the medical device and at least one of the plurality of sensors enables out-of-band pairing between the mobile device and the medical device via the first machine parsable code.