(b)(4).This follow-up report is being submitted to relay additional information.Reported event was unable to be confirmed due to limited information received from the customer.The dhr was reviewed and no discrepancies were found.A test was performed using an item of similar batch, and no unusual behavior was noted.Root cause was unable to be determined, as the necessary information to adequately investigate the reported event was not provided.A summary of the investigation has been sent to the complainant.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will contribute to monitor for trends.
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