Model Number VITD TOTAL |
Device Problem
Incorrect Measurement (1383)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 03/25/2021 |
Event Type
malfunction
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Manufacturer Narrative
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This event occurred in (b)(6).Unique device identifier (udi) (b)(4).The customer confirmed the sample was not available for any additional repeat measurements.
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Event Description
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The initial reporter received questionable elecsys vitamin d assay results for one patient tested on a cobas e411 rack serial number (b)(6).The patient's initial vitamin d result was reported outside the laboratory.The patient's physician requested the patient's vitamin results.The customer collected a new sample from the patient on the same day as the initial sample, and the new sample was sent to an external laboratory.The sample was tested on an agilent technologies analyzer with liquid chromatography with tandem mass spectrometer (lc-ms) methodology.The patient's initial vitamin d result was 9.94 ng/ml.The patient's lc-ms total 25-oh-vitamin d result was 46.13 ug/l.
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Manufacturer Narrative
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The customer's calibration and qc results were ok.A general reagent issue can most likely be excluded.The investigation reviewed the system's alarm trace and no abnormalities were discovered.Based on the available information, the investigation did not identify a product problem.The cause of the event could not be determined.
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Search Alerts/Recalls
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