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H.6 investigation summary: scope of issue: the scope of issue is only limited to facslyric 3l12c instrument usivd, part # 663518, serial #: (b)(6).Problem statement: customer reported a complaint regarding carryover that occurred on (b)(6) 2023.Carryover poses the risk of producing erroneous results that might impact patient diagnosis and treatment.The instrument is functioning as expected, and neither the customer nor any patients were harmed due to this issue.Manufacturing defect trend: there are 0 qns (quality notifications) related to the reported issue.Date range from 02feb2022 to 02feb2023.Manufacturing device history record (dhr) review: dhr part # 663518, serial #: (b)(6), file # (b)(4) was reviewed.The instrument met all the manufacturing specifications prior to release.Complaint trend: there are 27 complaints related to the as reported code 1 of contamination: carry over, date range from 02feb2022 to 02feb2023.Returned sample evaluation: a return sample was not requested for evaluation because no parts were replaced.Service history review: review of related work order #: (b)(4), case # (b)(4).Install date: 06oct2022.Defective part number: n/a.Work order notes: (b)(4).Subject: reported: carryover issue.Problem description: carryover issue.Work performed: no work performed.The case and work order were created for reporting purposes.Cause: unknown.Only a single incidence of carryover was seen and reported and we are not able to determine the specific cause.Solution: the customer is not currently requesting on-site support for this issue.There have been no further reports of carryover.Parts replaced: n/a.(b)(4).Subject / reported: carryover issue.Problem description: carryover issue.Case comments summary : (b)(6) 2023 8:16 am labcorp durham reported carryover on three instruments: (b)(4).See attachment for details on what was reported (b)(6) 2023 7:11 am moving to ep-0278 per fse: only one occurrence was observed ep-0278 notes: project name: lyric sit drip carryover.23feb2023 product engineering team is conducting testing on new tubing/values.Results expected 1st week of march 23mar2023 product engineering team is conducting testing on new tubing values.1st round of testing: 1.Fill the tubing with bleach for one week and for another week leave it pinched on the valve.(no clog or pinching observed).2.Fill the tubing with blood sample for one week and for another week leave it pinched on the valve.(no clog or pinching observed).3.Fill the tubing with contrad (30%) for one week and for another week leave it pinched on the valve.(no clog or pinching observed).The team will leave the tubing pinched for additional time.Also, new valve samples are expected to come in this month to continue testing.Labeling: packaging review: n/a.Risk analysis: risk management file part # 10000063058ra, rev.08/vers.Ab, bd facslyric system risk analysis was reviewed.No new hazards have been identified and the current mitigations are sufficient.Hazard(s) identified? yes, no.Azure id: (b)(4).Id: (b)(4) 3.1.7.Hazard: incorrect output for samples up to 1.5ml or less.Cause: sample carryover error: fluidic.Harmful effects: events appear in wrong tube (false positive result).Residual probability: 1.Residual severity: 3.Residual risk index: 3.Potential causes: based on the investigation results, the potential cause of carryover was not determined.Investigation result: analysis: the investigation was performed and based on the review of the complaint trend, defect trend, dhr, risk analysis, and servicemax, the potential cause of carryover was not determined.The customer reported an incidence of carryover.Only a single incidence of carryover was observed, and the specific cause could not be determined.The case and work order were created for reporting purposes.No work was performed by the field service engineer (fse).The customer is not currently requesting on-site support for this issue and there have been no further reports of carryover.The instrument is functioning as expected.Per the fse: although the carryover was noticed during analysis it was insignificant to the entire sample and did not alter the reported results.No patient was treated nor harmed from incorrect results.Proper daily and monthly cleaning procedures can be found under ¿maintenance¿ in the user guide; bd facslyric¿ clinical system instructions for use, #23-19938-02 rev.1/vers.A, page 165.This complaint has added to ep-0278.This ep (escalation project) will be recording any updates on this issue and will record any related work orders associated with this issue.Conclusion: based on the investigation results, the complaint was confirmed and the potential cause of carryover was not determined.The customer reported an incidence of carryover.Only a single incidence of carryover was observed, and the specific cause could not be determined.The case and work order were created for reporting purposes.The customer is not currently requesting on-site support for this issue and there have been no further reports of carryover.The instrument is functioning as expected.Based on the investigation results, a capa is not required because there was no impact to customer and patient health or safety.Supporting document: n/a.
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