General Diagnostic Radiographer: Applies x-rays to any part of a person's body, including special procedures, to diagnose injury or disease. This includes positioning the patient, processing the film and manipulating the x-ray equipment. Limited Diagnostic Radiographer: Applies x-rays to a limited area of the body (chest, extremities, or spine) to diagnose injury or disease. This includes positioning the patient, processing the film and manipulating the x-ray equipment.