The customer contacted a siemens customer care center (ccc) specialist.The ccc was granted permission to remotely connect to the instrument.The ccc reviewed the data provided.The customer's quality control (qc) was out of range.A siemens customer service engineer (cse) was dispatched to the customer's site.The cse adjusted the bottom of cuvette corrections for reagent probe 1 and sample probe 1.The cse replaced the sample probe and reagent probe 1 and reagent 1 mixer.The cse performed alignments.The cse ran a quickcheck and qc, resulting within specifications and range.The cause of the discordant, falsely depressed magnesium results is unknown.The instrument is performing according to specifications.No further evaluation of the device is required.
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Discordant, falsely depressed magnesium results were obtained on patient samples on a dimension vista 1500 instrument.The initial results were reported out to the physician(s).The customer repeated the same sample on an alternate dimension vista instrument, resulting higher.The customer issued corrected reports to the physician(s).There are no known reports of patient intervention or adverse health consequences due to the discordant, falsely depressed magnesium results.
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