What steps should be taken if a specimen is lost, mislabeled, or mishandled during an investigation?

• A. Document the incident, attempt re-collection, assess impact on results, adjust analyses, and notify stakeholders.
• B. Ignore and continue with analysis.
• C. Delete all data related to the specimen.
• D. Publicly report the incident without adjustment.

Answer: (B)

Maintaining data integrity when a specimen is lost, mislabeled, or mishandled requires a careful incident-response approach. The key is to act methodically: immediately document exactly what happened, including when, where, and who was involved; preserve any remaining material and secure the evidence; determine if a re-collection or re-sampling is possible to replace the compromised specimen; and assess the potential impact on the results—identify which analyses might be biased, altered, or invalid as a result.

From there, adjust the analysis or interpretation based on that impact, clearly documenting any changes to methods, data handling, or conclusions. Notify stakeholders according to SOPs and regulatory requirements, and record the incident in the quality or incident-log. Finally, implement corrective actions to prevent recurrence, such as reinforcing labeling procedures, improving chain-of-custody controls, or updating training and standard operating procedures.

Choosing to ignore the issue or to continue unadjusted can propagate faulty conclusions and undermine credibility and compliance. Deleting data or reporting publicly without accounting for the impact would erase evidence or mislead stakeholders.