| Catalog Number |
06P02-60 |
| Medical Device Problem Code |
False Positive Result (1227)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
09/06/2023
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Type of Reportable Event
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Malfunction
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Event or Problem Description
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The customer reported false repeat reactive alinity s hbsag results on multiple donors.The following results were provided: date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.45 / 1.43 / 1.63 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.88 / 1.46 / 1.33 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.47 / 1.07 / 1.20 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.11 / 1.05 / 1.10 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.49 / 1.58 / 1.61 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.08 / 0.99 / 1.04 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.58 / 1.66 / 1.66 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.81 / 2.11 / 2.34 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.53 / 1.18 / 1.23 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.5 / 1.61 / 1.87 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.05 / 1.09 / 0.93 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.19 / 1.37 / 1.46 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.8 / 1.68 / 1.63 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.53 / 1.27 / 1.06 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.37 / 1.21 / 1.27 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.28 / 1.12 / 1.06 s/co; nat result: negative date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.95 / 1.60 / 1.60 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.64 / 1.49 / 1.40 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.24 / 1.22 / 1.23 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 2.21 / 1.29 / 1.08 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.65 / 1.96 / 1.62 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.05 / 1.08 / 1.03 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.15 / 1.41 / 1.40 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.15 / 1.06 / 1.09 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.79 / 1.73 / 1.49 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.24/ 1.01/ 1.00 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.02/ 1.03/ 0.85 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.47/ 1.40/ 1.41 s/co; nat result: negative.Date: (b)(6) 2023; assay: hbsag; sid: (b)(6); alinity results: = 1.97/ 1.64/ 1.54 s/co; nat result: negative.No impact to donor management was reported.
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Additional Manufacturer Narrative
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An evaluation is in process.A follow up report will be submitted when the evaluation is complete.Section a1 patient identifier sids: (b)(6).
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Additional Manufacturer Narrative
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The evaluation of complaint data for the product and likely cause alinity s hbsag reagent lot 49618fn00 identified normal complaint activity.Field data review showed that the repeat reactive rate observed for the complaint lot in blood banks meets the specificity performance claim of the package insert.Manufacturing documentation for the likely cause lot did not identify any issues associated with the complaint issue.No customer returns were available for evaluation.The performance of the likely cause lot was investigated by completing a review for non-conformances, potential non-conformances and deviations related to the likely cause lots.This review did not identify any non-conformances, potential non-conformances, or deviations.A review of labeling concluded that the issue is sufficiently addressed.No systemic issue and/or product deficiency was identified.
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Event or Problem Description
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The customer reported false repeat reactive alinity s hbsag results on multiple donors.The following results were provided: date assay sid alinity results nat result 9/6/2023 hbsag (b)(6) = 1.45 / 1.43 / 1.63 s/co negative.9/6/2023 hbsag (b)(6) = 1.88 / 1.46 / 1.33 s/co negative.9/7/2023 hbsag (b)(6) = 1.47 / 1.07 / 1.20 s/co negative.9/7/2023 hbsag (b)(6) = 1.11 / 1.05 / 1.10 s/co negative.9/8/2023 hbsag (b)(6) = 1.49 / 1.58 / 1.61 s/co negative.9/8/2023 hbsag (b)(6) = 1.08 / 0.99 / 1.04 s/co negative.9/8/2023 hbsag (b)(6) = 1.58 / 1.66 / 1.66 s/co negative.9/9/2023 hbsag (b)(6) = 1.81 / 2.11 / 2.34 s/co negative.9/9/2023 hbsag (b)(6) = 1.53 / 1.18 / 1.23 s/co negative.9/9/2023 hbsag (b)(6) = 1.5 / 1.61 / 1.87 s/co negative.9/9/2023 hbsag (b)(6) = 1.05 / 1.09 / 0.93 s/co negative.9/9/2023 hbsag (b)(6) = 1.19 / 1.37 / 1.46 s/co negative.9/9/2023 hbsag (b)(6) = 1.8 / 1.68 / 1.63 s/co negative.9/10/2023 hbsag (b)(6) = 1.53 / 1.27 / 1.06 s/co negative.9/10/2023 hbsag (b)(6) = 1.37 / 1.21 / 1.27 s/co negative.9/10/2023 hbsag (b)(6) = 1.28 / 1.12 / 1.06 s/co negative.9/10/2023 hbsag (b)(6) = 1.95 / 1.60 / 1.60 s/co negative.9/11/2023 hbsag (b)(6) = 1.64 / 1.49 / 1.40 s/co negative.9/12/2023 hbsag (b)(6) = 1.24 / 1.22 / 1.23 s/co negative.9/12/2023 hbsag (b)(6) = 2.21 / 1.29 / 1.08 s/co negative.9/12/2023 hbsag (b)(6) = 1.65 / 1.96 / 1.62 s/co negative.9/12/2023 hbsag (b)(6) = 1.05 / 1.08 / 1.03 s/co negative.9/12/2023 hbsag (b)(6) = 1.15 / 1.41 / 1.40 s/co negative.9/12/2023 hbsag (b)(6) = 1.15 / 1.06 / 1.09 s/co negative.9/13/2023 hbsag (b)(6) = 1.79 / 1.73 / 1.49 s/co negative.9/14/2023 hbsag (b)(6) = 1.24/ 1.01/ 1.00 s/co negative.9/14/2023 hbsag (b)(6) = 1.02/ 1.03/ 0.85 s/co negative.9/15/2023 hbsag (b)(6) = 1.47/ 1.40/ 1.41 s/co negative.9/15/2023 hbsag (b)(6) = 1.97/ 1.64/ 1.54 s/co negative.No impact to donor management was reported.
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Search Alerts/Recalls
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