Clinical Observational Dysphagia Assessment (CODA) Irene Campbell-Taylor. Based on ASHA's guidelines, CODA provides a base for a treatment plan, accurately identifies the cause, and facilitates management plans, goals and outcome measures. Includes brief overviews of the most important aspects of anatomy and physiology, has chart reviews, and an outcome-oriented summary form for tracking hydration and nutrition. Helps demonstrate effective management in client improvement.