This opinion article was originally published in STAT: A failing health care system caused my husband’s death. His care team was incredibly kind, but they lacked the resources to save his life. On Tuesday, September 17, the Centers for Disease Control and Prevention, the Centers for Medicare and Medicaid Services, and the Agency for Healthcare Research and Quality took an important step: They launched the Core Elements of Hospital Diagnostic Excellence, a new project to help reduce the number of Americans who die or are permanently disabled each year by diagnostic error. In 2023, that happened to nearly 800,000 Americans.