OOS Investigations: Decision-Making in Practice and FDA Expectations for 2026

OOS results are rarely just laboratory events. They test how decisions are made, how information is interpreted, and how well quality systems respond when something does not go as expected. In many organizations, the initial response to an out-of-specification result follows a familiar path: retesting begins, assumptions are made early, and conclusions are shaped before the full picture is understood. Regulatory expectations in this area continue to evolve. Inspectors are no longer focused only on whether an investigation was completed, but on how decisions were made at each step, how scientific reasoning was applied, and whether the outcome reflects a clear and consistent approach. This session takes a closer look at how OOS investigations unfold in practice: from the moment a result is identified to the way conclusions are formed and documented. Code: FDB1414