1. Substance withdrawal delirium(SWD) and delirium are two conditions that challenge health care providers, affecting 20% to 40% of hospitalized patients. 2. Delirium is an acute disturbance in the consciousness that tends to fluctuate over the day, reducing a patient's ability to focus and sustain attention. 3. Mortality and morbidity are high when patients experiencing SWD or delirium are not assessed and treated properly 4. A modified Delphi technique is one way to develop a comprehensive competency checklist based on expert health professional opinions.