The cause for the non-reproducible advia centaur cp ahavt reactive result is unknown.This was the only sample affected.The sample was a serum sample in a 7.5 m saarstedt tube and reported to be in good condition.It was initially centrifuged with a hettich centrifuge rotanta 460r for 10min.Based on the information provided, there was a possible issue with the original sample.Pre-analytic variables can affect the quality of the sample, and deviation from recommended best practices can lead to erroneous results.While there is insufficient information to determine the cause of the initial false positive result, pre-analytical factors or sample issues cannot be ruled out.Siemens asked the customer to perform a precision run with qc material and the precision was acceptable.Qc was acceptable.The system is performing to specification.No further investigation is required.
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