Patient Safety Indicators (PSI’s) provide information on potentially avoidable safety events that represent opportunities for improvement in the delivery of care. More specifically, they focus on potential in-hospital complications and adverse events following surgeries, procedures, and childbirth. CMS assesses inpatient care quality in part through its analysis of inpatient claims utilizing Patient Safety Indicators. PSI reporting affects many reputational websites, such as CMS Hospital Star Ratings, Healthgrades, Leapfrog, and many others.