This invention provides a method or device for determining the stage of chronic kidney disease.The present invention relates to a method for determining a stage of chronic kidney disease in a subject suffering from kidney disease, the method comprising the steps of:(A-1) measuring the content of at least one marker selected from the group consisting of markers (1) to (16) in a specimen from the subject,(B-1) determining the stage indicated by each marker by comparing the content of the at least one marker in the specimen from the subject, which has been measured in step (A-1), with a reference content range determined in each stage, and(C-1) determining that when each marker indicates the same stage, which has been determined in step (A-1), the chronic kidney disease in the subject is in that stage.