PROBLEM TO BE SOLVED: To provide a trigger assay for discriminating a rheumatic disorder from a nonrheumatic disorder.SOLUTION: A method for eliminating a nonrheumatic disorder as a cause of a musculoskeletal symptom of a subject includes determining whether at least one kind of an autoantibody or an antigen showing at least one kind of a rhematic disorder exists in a sample acquired from the subject. The method capable of eliminating a nonrheumatic disorder with the existence of the autoantibody or the antigen as a cause of the musculoskeletal symptom of the subject is provided. Then, this invention provides a method for inducing the next step (a further diagnosis of a rheumatic disorder or a nonrheumatic disorder for confirming an initial diagnosis) when diagnosing the cause of the musculoskeletal of the subject. In addition, a kit for eliminating the nonrheumatic disorder with the cause of the musculoskeletal of the subject and the usage of the kit are provided.
TRIGGER ASSAY FOR IDENTIFYING RHEUMATIC DISORDER AND NONRHEUMATIC DISORDER