Investigation conclusion: customer returned the meter involved in the event ((b)(4)).The meters' memory history was reviewed in attempts to obtain the device lot number used during the customers reported discrepancy.A lot number was identified, triage d-dimer lot w63282rb.Customers complaint was not replicated with in-house testing of retain lot w63282rb with in-house triage meters and customers returned meter.No issues with d-dimer recovery were observed.Retain devices and customers returned meter performed properly.Manufacturing batch records for the lot were reviewed and found that the lot met release specifications.Based on the information available, there is no indication of a product deficiency and no corrective action is required.Although this catalog number (98100eu) is not approved in the united states, this event is being reported as the device is same/similar to catalog number 98100, 510(k) number k042890.
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