Abstract: A technology disclosed in the application which receives a reexamination appointment date as an input through a display screen displaying medical treatment information of a patient. The technology disclosed unit which refers to a storage unit which stores information representing an availability of the reexamination appointment date as an examination appointment date for the respective categories of a plurality of examinations including an examination which is granted to the patient is received, and determines an availability of the reexamination appointment date received by the execution unit as the examination appointment date, in a case where a display request for an appointment screen for the examination.

Abstract: A display control method receives, from a server, data input to at least one of display setting items that are preset amongst items included in medical record information, displays on a display unit an all-item display screen that displays the display setting items and the received data, and sets input data on the all-item display screen when the input data with respect to another item other than the at least one of the display setting items is accepted. The all-item display screen may be switched to an input item display screen in response to a switch instruction, wherein the input item display screen displays the at least one of the display setting items, the received data, and the other item.