ABBOTT IRELAND DIAGNOSTICS DIVISION ALINITY I HBSAG CONFIRMATORY V.1 REAGENT KIT; TEST, HEPATITIS B (B CORE, BE ANTIGEN, BE ANTIBODY, B CORE IGM)
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Catalog Number 08P09-22 |
Device Problem
False Positive Result (1227)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 02/28/2024 |
Event Type
malfunction
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Event Description
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The customer reported false reactive alinity i hbsag confirmatory and provided the following data for sample id (b)(6): initial result was 0.07 iu/ml and repeat result was 0.12 iu/ml (reference: = 0.05 iu/ml is reactive) the hbsag neutralization testing was confirmed positive and generated the following results: pretreatment 1 result was 0.50 s/co with a rlu of 397 and pretreatment 2 result was 1.35 s/co with a rlu of 1063 and the neutralization rate is (b)(4).Hbsag result tested on another analyzer (sn: (b)(6)) and generated a negative result of 0.00iu/m and confirmatory testing generated a negative result with 1:500 dilution on the original analyzer (sn: (b)(6)).Patient information: 61-year-old female with a negative hbsag testing history.Per the customer the discrepant result(s) were not reported out of the laboratory.There was no reported impact to patient management.
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Manufacturer Narrative
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This report is being filed on an international product, list number 08p09-22 and there is a similar product distributed in the us, list number 4p54.A1 patient identifier: complete sample id is (b)(6) an evaluation is in process.A follow-up report will be submitted when the evaluation is complete.
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Event Description
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The customer reported false reactive alinity i hbsag confirmatory and provided the following data for sample id (b)(6): initial result was 0.07 iu/ml and repeat result was 0.12 iu/ml (reference: = 0.05 iu/ml is reactive) the hbsag neutralization testing was confirmed positive and generated the following results: pretreatment 1 result was 0.50 s/co with a rlu of 397 and pretreatment 2 result was 1.35 s/co with a rlu of 1063 and the neutralization rate is (b)(6).Hbsag result tested on another analyzer (sn: ai23204) and generated a negative result of 0.00iu/m and confirmatory testing generated a negative result with 1:500 dilution on the original analyzer (sn: (b)(6)).Patient information: 61-year-old female with a negative hbsag testing history.Per the customer the discrepant result(s) were not reported out of the laboratory.There was no reported impact to patient management.
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Manufacturer Narrative
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The complaint investigation included a review of data and information provided by the customer, search for similar complaints, ticket trending review, labeling review, device history record review, and in house testing.Return testing was not completed as specimens were not available.Data and information provided by the customer were reviewed and support the complaint issue without indication for any additional issue.Device history review did not identify any related nonconformances or deviations associated with the complaint lot and customer reported issue.Ticket search by lot did not identify an increase in complaint activity for the complaint lot.The review of ticket and trending did not identify any trends.Additionally, in-house testing was conducted for complaint lot 51482fn00, which concluded testing met acceptance criteria indicating the lot is performing as expected.Labeling was reviewed and was found to address the customer reported issue.Based on the available information, no systemic issue or deficiency was identified for the alinity i hbsag confirmatory reagent lot 51482fn00.
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