What constitutes an actionable genetic finding, and how is actionability assessed?

• A. Findings with no clinical recommendations
• B. Findings with established interventions that can improve health outcomes; assessed by guidelines and expert consensus
• C. Findings that are only of academic interest
• D. Findings requiring no follow-up

Answer: (B)

An actionable genetic finding is one for which there is a concrete clinical action that can actually improve health outcomes. In practice this means there are established interventions—such as enhanced cancer screening, risk-reducing surgeries, targeted therapies, or meaningful lifestyle changes—that have demonstrated benefit in reducing disease risk or mortality. The level of actionability is judged by guidelines and expert consensus, which evaluate the strength of the evidence, the effectiveness and safety of the proposed interventions, and practical considerations like when to start testing and how to implement the plan.

For example, a pathogenic BRCA1/2 variant is actionable because guidelines support intensified cancer surveillance and options for risk-reducing measures, with clear benefit demonstrated in studies. By contrast, findings that have no proven intervention or are only of academic interest would not be considered actionable, as there’s no recommended medical action to change outcomes.