The information provided by the customer was reviewed.Without the requested instrument file, a full investigation was unable to proceed.However, a review of the lot performance of the card lot in question at the time of the event was performed.The in-house performance of creatinine for the card lot in question did not identify any product deficiencies.Review of testing performed at release, throughout product lifetime, and additional testing did not show any anomalies that aligns with the observation in the customer allegation.No product problem identified.The cause of this event is unknown.
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