A siemens customer service engineer (cse) was dispatched to the customer's site.The cse found gel on aliquot and sample probe 2.Reagent probe 4 failed system check precision.The cse found excessive serum buildup on the aptio vista buffer static discharge plate.The cse ran server 2 service methods and system check.The cse cleaned the static discharge place and all aliquot probe touch points.The cse replaced the aliquot, sample probe 2 and reagent probe 4 probes.The cse ran auto-alignment and quickcheck, resulting within specifications and range.The cse reran reagent probe 4 system check, resulting within specification and range.The customer performed a 5 test correlation study, resulting within range.The cause of the discordant, falsely elevated total bilirubin results is unknown.The instrument is performing according to specifications.No further evaluation of the device is required.
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A discordant, falsely elevated total bilirubin result was obtained on a patient sample on a dimension vista 1500 instrument.The initial result was not reported out to the physician(s).The customer repeated the same sample on an alternate dimension vista instrument, resulting lower.The customer repeated the same sample on the original instrument, resulting lower.After service was provided, the repeat result was reported out to the physician(s).There are no known reports of patient intervention or adverse health consequences due to the discordant, falsely elevated total bilirubin results.
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