Engaging patients to capture their insights after diagnostic error is one of the top patient safety strategies. This pair of issue briefs describes how organizations can use patient experience to inform improvements in diagnosis. Volume 1: Why Patient Narratives Matter highlights how patient perspectives offer unique information about the impacts of diagnosis-related events on patient care trajectories through the healthcare system. Volume 2: Eliciting Patient Narratives emphasizes that rigorous methods are needed to elicit patient experiences. Both briefs identify areas in which more research is needed about patients’ diagnostic experience.