A discordant, falsely elevated chloride (cl) result was obtained on one patient sample on a dimension vista 1500 instrument.The discordant result was not reported to the physician(s).The sample was repeated twice on the same instrument, resulting lower.It is unknown if the corrected result was reported to the physician(s).There are no reports of patient intervention or adverse health consequences due to the discordant, falsely elevated cl result.
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A siemens customer service engineer (cse) was dispatched to the customer site.After evaluation of the instrument and instrument data, the cse cleaned the system, replaced the pump tubing, replaced and aligned the integrated multisensor technology probe and aliquot probe and aligned the imt rotary valve.The cause of the discordant, falsely elevated cl result is unknown.The instrument is performing according to specifications.No further evaluation of the device is required.
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