The customer contacted a siemens customer care center (ccc) specialist.The ccc reviewed the data provided.The customer's quality control (qc) was in at the time of the event.A siemens customer service engineer (cse) was dispatched to the customer's site.The cse performed preventative maintenance and installed the test definition.The customer performed a precision run, resulting within range.The cause of the discordant, falsely depressed free thyroxine result is unknown.The instrument is performing according to specifications.No further evaluation of the device is required.
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A discordant, falsely depressed free thyroxine result was obtained on patient sample on an advia centaur cp instrument.The initial result was released to the physician(s), which was questioned.The same sample was repeated on the same advia centaur cp instrument, resulting higher.The customer sent the sample to a partner lab for testing.The partner lab result was higher than the initial result.The customer issued a corrected report for the repeat result on the original instrument to the physician(s).There are no known reports of patient intervention or adverse health consequences due to the discordant, falsely depressed free thyroxine result.
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