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Question 1 of 30
A medical laboratory operating under ISO 15189:2022 encounters a situation where a critical reagent lot, essential for a high-volume diagnostic assay, was inadvertently stored at a temperature slightly outside the manufacturer\'s specified range for 48 hours due to a temporary refrigerator malfunction. The malfunction has since been rectified. The laboratory\'s quality manager needs to decide on the most appropriate course of action to maintain the integrity of patient testing while adhering to the standard\'s requirements for risk management and analytical process control. Which of the following actions best reflects the laboratory\'s responsibility in this scenario?
Quarantine the affected reagent lot, perform a comprehensive verification of its performance against established quality control materials and/or a reference method, and document the findings before releasing it for use.
Immediately discard the entire reagent lot to eliminate any potential risk to patient results, and procure a new lot to ensure uninterrupted service.
Continue using the reagent lot as is, assuming the temperature excursion was minor and unlikely to significantly impact assay performance, and monitor quality control results closely.
Initiate a full-scale investigation into the refrigerator malfunction and delay all testing that utilizes the affected reagent lot until a complete root cause analysis is performed and documented.

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