Results: bd received samples from the customer facility for investigation.The samples were evaluated and the customer's indicated failure mode for blood clotting in tubes with the incident lot was observed.Additionally, retention samples were selected for evaluation, and the customer's indicated failure mode for blood clotting in tubes was not observed.Tubes were found that did not contain additive.A review of the manufacturing records was completed for the incident lot and interventions were reported not to have affected product quality.Conclusion: the absolute root cause is indeterminate.
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