1. A system for diagnosing mTBI comprising: a medical imaging device configured to collect a patient scan data related to a patient's brain; a controller; a memory coupled to the controller, wherein the memory is configured to store program instructions executable by the controller; a database in communication with the controller; and a computer aided diagnostic in communication with the controller; wherein in response to executing the program instructions, the controller is configured to: access the patient scan data; access reference scan data from the database, wherein the reference scan data provides one or more sets of baseline reference scan data; and analyze the patient scan data and the one or more sets of baseline reference scan data using the computer aided diagnostic to provide an objective indication of whether a mild traumatic brain injury is present in the patient scan data, wherein the objective indication is provided as an output that is distinct from a visual representation of the patient scan data.