“…21 Because health systems typically receive more revenue when they deliver more care, policy experts often implicate perverse financial incentives as the primary driver of unnecessary care. 22 However, even at capitated health systems, such as the Los Angeles County Department of Health Services (LAC-DHS), one of the largest safety-net health systems in the United States, more than 90% of patients continue to receive low-value preoperative testing for cataract surgery. Such examples suggest that factors beyond finances contribute to the persistence of low-value preoperative testing, such as lack of knowledge, habit, and non-evidence-based protocols.…”