Model Number 10309976 |
Device Problem
Incorrect, Inadequate or Imprecise Result or Readings (1535)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 10/06/2022 |
Event Type
malfunction
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Event Description
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The customer tested patient samples across multiple days using advia centaur xp prolactin (prl) lot 203 and observed imprecision in the results.Initial results were reported to the physician(s) and were questioned.It is not known which results are correct.It is not known which results were accepted by the physician(s) as correct.There are no known reports of patient intervention or adverse health consequences due to the discordant prolactin results.
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Manufacturer Narrative
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An outside of the united states (ous) customer contacted a siemens customer care center (ccc) to report an observation of imprecision using advia centaur xp prolactin (prl) for patient samples tested across multiple days.Siemens field service engineer (fse) was dispatched to the site.The interpretation of results section of the atellica im folate (fol) instructions for use states: "results of this assay should always be interpreted in conjunction with patient's medical history, clinical presentation and other findings." siemens is investigating.Mdr 1219913-2022-00380 was filed for testing on a different day.
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Manufacturer Narrative
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Siemens filed mdr 1219913-2022-00381 initial report on 2022-11-02 and mdr 1219913-2022-00381 supplemental 1 report on 2022-12-08.Additional information - 2022-12-12 siemens concluded the investigation for an outside of the united states (ous) customer observation of imprecision on patient samples tested across multiple days using advia centaur xp prolactin (prl) lot 203.Siemens reviewed the instrument and event data, including actions performed by the siemens field service engineer (fse).The fse inspected the instrument and replaced the reagent probe 2 (rp2) diluter and reagent probe 3 (rp3).The instrument was then decontaminated which resolved the issue for the customer.There have been no further issues.Siemens concluded that the cause of the discordant result was due to the malfunction of the reagent probe 2 diluter as well as contamination of the system.The issue was resolved with replacement of the part as well as decontamination of the system as part of routine instrument troubleshooting.Based on the investigation, no product problem was identified.The system is operating as expected.In section h6, investigation finding and investigation conclusion codes were updated based on the investigation results.Mdr 1219913-2022-00380 supplemental 2 was filed for for the same issue.
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Manufacturer Narrative
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Siemens healthcare diagnostics filed mdr 1219913-2022-00381 initial report on 2022-11-02.Additional information - 2022-11-14.Based on the service report that was provided, the following services occurred: rp2 diluter replaced (with rp3).Qc performed for 2 reagent lots (203 and 207) and precision after hardware change was acceptable (cv=2.7%).Patient precision after hardware change was ok (cv=2.3%).The customer will monitor performance with running patient sample in duplicate.No further issues have been reported after instrument decontamination and service.Siemens continues to investigate.Mdr 1219913-2022-00380 supplemental 1 was filed for the same issue.
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Search Alerts/Recalls
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