Screens, examines and evaluates patients, including history, systems review, and application of appropriate tests and measures, synthesis information and interprets examination findings in order to establish a diagnosis, identify impairments, determine the predicted level of improvement and the time required to achieve it, identify precautions/contraindications and design and plan of care. functional communication SLPs who have received specialized training that has resulted in competence through ASHA guidance in flexible/nasal endoscopy in order to use the tools for the purpose of evaluating and treating disorders of swallowing function may be required to perform Fiberoptic Endoscopic Evaluation of Swallowing (FEES).