The customer contacted a siemens customer care center (ccc) and stated that they had repeated all the samples run on february 3, 2017 and no additional discordant results were obtained.Quality controls were within acceptable range.Upon the ccc specialist's instructions, the customer performed precision testing on low and high quality controls, which were acceptable.The cause of the discordant, falsely elevated tbi result on one patient sample is unknown.The instrument is performing within specifications.No further evaluation of device is required.
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A discordant, falsely elevated total bilirubin (tbi) result was obtained on one patient sample on a dimension exl with lm instrument.The discordant result was not reported to the physician(s).The sample was repeated on the same instrument and on an alternate dimension exl instrument, resulting lower each time.The repeat result from the alternate dimension exl instrument was reported to the physician(s).There are no known reports of patient intervention or adverse health consequence due to the discordant, falsely elevated tbi result.
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