Model Number N/A |
Device Problems
Calibration Problem (2890); Adverse Event Without Identified Device or Use Problem (2993)
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Patient Problem
No Known Impact Or Consequence To Patient (2692)
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Event Date 09/29/2016 |
Event Type
malfunction
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Manufacturer Narrative
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The cause for the discordant ft4 results is unknown.Siemens healthcare diagnostics is investigating.The ifu states in the interpretation of results section: "results of this assay should always be interpreted in conjunction with patient's medical history, clinical presentation and other findings.".
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Event Description
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A false low advia centaur xp ft4 result was obtained for samples from four patients.The results were discordant with an alternate method.The patient samples were tested on two advia cenatur xp systems and once on the alternate method.The initial results were reported to the physician.No corrected reports were issued.Patient treatment was not prescribed or altered.There was no report of adverse health consequences due to the discordant ft4 result.
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Manufacturer Narrative
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Siemens filed the initial mdr 1219913-2016-00184 on october 13, 2016.On 01/05/2017 additional information: siemens has performed an internal investigation and has confirmed a negative bias for the advia centaur ft4 when used with calibrator a kit lots ending in 90 on the advia centaur, advia centaur xp and advia centaur xpt systems.In addition, siemens healthcare diagnostics confirmed the potential for calibration failures due to above limit calibrator rlu %cvs when using calibrator a kit lots ending in 90 with the ft4 assay.Siemens issued ufsn cc 17-04.A.Ous (january 2017) and umdr cc 17-04.A.Us (january 2017) informing the customer of ft4 assay negative bias observed with calibrator a kit lots ending in 90.Instructions on actions to be taken are provided in the customer communication.
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Search Alerts/Recalls
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