Source:http://linkedlifedata.com/resource/umls/id/C0015480
MSH: Disorders characterized by physical or psychological symptoms that are not real, genuine, or natural.,NCI: A category of psychiatric disorders which are characterized by physical or psychological symptoms that are intentionally produced in order to assume the sick role; there is no external incentive for the behavior, such as economic gain or avoiding legal responsibility, and the person is unaware of any self-motivating factors.