Concern over patient safety issues associated with inadequate tracking of test results has grown over the last decade, as it can lead to delays in the recognition of abnormal test results and the absence of a tracking system to ensure short-term patient follow-up.^1,2 Missed abnormal tests and the lack of necessary clinical follow-up can lead to a late diagnosis.

Throughout 2022, AHRQ PSNet has shared research that elucidates the complex nature of misdiagnosis and diagnostic safety. This Year in Review explores recent work in diagnostic safety and ways that greater safety may be promoted using tools developed to improve diagnostic practices.

The focus on patient safety in the ambulatory setting was impacted by the COVID-19 pandemic and appropriately shifting priorities to responding to the pandemic. This piece explores some of the core themes of patient safety in the ambulatory setting, including diagnostic safety and diagnostic errors. Ways to enhance patient safety in the ambulatory care setting and next steps in ambulatory care safety are addressed.