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The customer observed false reactive alinity i anti-hbc results generated on the alinity i processing module.The following data was provided:
(43-year-old female) sid (b)(6) initial anti-hbc result 1.16 s/co, repeated 1.16 / 1.04 / 0.10 / 0.11 / 0.13 s/co.(48-year-old male) sid (b)(6) initial anti-hbc result 1.51 s/co, repeated 1.70 / 1.74 / 0.11 / 0.12 / 0.11 s/co.(31-year-old female) sid (b)(6) initial anti-hbc result 2.16 s/co, repeated 2.27 / 2.40 / 0.25 / 0.18 / 0.14 s/co.Sid (b)(6) initial result 1.28 s/co (reactive), repeated 1.44 and 1.35 s/co,
sid (b)(6) initial result 1.00 s/co (reactive), repeated 1.22 and 1.15 s/co,
sid (b)(6) initial result 1.13 s/co (reactive), repeated 1.30 and 1.41 s/co,
sid (b)(6) initial result 2.67 s/co (reactive), repeated 2.78 and 0.11 s/co.No impact to patient management was reported.
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Section a patient information: refer to section b5 for complete patient information.A complaint investigation was conducted for the alinity i processing module (03r65-01), serial number (b)(6) to address the customer¿s observation of false reactive results.Service inspected the module and performed multiple troubleshooting activities including replacement of the trigger wash manifold valve and multiple trigger fluidic line fittings which resolved the issue.The instrument service history review revealed no additional tickets associated with discrepant/erratic patient results.A review of tracking and trending did not identify any trends for the alinity i processing module (03r65-01) with regards to the customer reported event.A review of the manufacturing documentation did not identify any issues associated with the complaint issue.Labeling was reviewed and was found to address the customer reported issue.Based on our investigation, no systemic issue or deficiency was identified with the alinity i processing module (03r65-01), serial number (b)(6).
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