The customer contacted a siemens customer care center (ccc) specialist and stated that their quality controls were out of ranges.A siemens customer service engineer (cse) specialist was dispatched to the customer site.The cse evaluated the instrument and performed a total service call.The cse inspected the probes, checked the calibrations and dispenses and replaced the reagent probe 1.The cse then inspected and cleaned the wash stations, checked the port dispenses and replaced the aspirate wash guides.The cse also cleaned the aspirate and water lines with bleach, inspected the fittings of the manifolds, diluters, pumps and tubings and ran quality controls, which were acceptable.The cause of the discordant, falsely elevated ferritin result on one patient sample 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 ferritin (ferr) result was obtained on one patient sample upon repeat testing on an advia centaur xp instrument.The sample was initially run on the same instrument, resulting lower.The initial and repeat results were not reported to the physician(s).The sample was repeated on the same instrument for the second time, which resulted lower than the first repeat result and matched the initial result.The second repeat result was reported to the physician(s).There are no known reports of patient intervention or adverse health consequences due to the discordant, falsely elevated ferritin result.
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