The customer contacted the siemens customer care center (ccc).A siemens customer service engineer (cse) was dispatched to the customer site.After analyzing the instrument, the cse performed total service visit on the instrument.The cse observed debris which appeared as a cloth material, partially aspirated into the plasma protein diluent (dpp) and hanging on the outside bottom of the sample probe.The cse cleared the debris and cleaned the probe.The cse checked all dispenses and ensured they were free of obstructed materials.The cse ran precision testing and quality control (qc), resulting within specification.The cause of the discordant, falsely low glucose result is associated with an obstructed probe caused by debris.The instrument is performing according to specifications.No further evaluation of the device is required.
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A discordant, falsely low glucose (glu) result was obtained on an advia 1800 instrument.The discordant result was not reported to the physician(s).The sample was repeated on an alternate advia instrument, resulting higher.The repeated result was reported to the physician(s).There are no reports of patient intervention or adverse health consequences due to the discordant, low glu result.
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