A diagnostic reading request system includes: a request information creation unit which creates diagnostic reading request information by adding identification information to clinical image data collected by a medical image diagnostic device; a request information update unit which updates the diagnostic reading request information by adding determination image data having already acquired a diagnostic reading result thereof; a diagnostic reading result evaluation unit which performs, based on a new diagnostic reading result of the determination image data supplied from a diagnostic reading request destination facility, an evaluation of the diagnostic reading result in the diagnostic reading request destination facility; a diagnostic reading report creation unit which creates a diagnostic reading report based on the evaluation of the diagnostic reading result and the diagnostic reading result supplied from the diagnostic reading request destination facility; and a display unit which displays the diagnostic reading report.