We have become aware that the measured analyte concentrations in occasional patient samples may be decreased with the affected Delfia Xpress kit lots. The issue may also cause failed results. Based on investigation the antifoam concentration of the tracers is incorrect at the end of the manufacturing series and therefore only certain tracer vials are affected by the issue. the issue may lead to occasional pipetting failures of the tracer during the assay procedure. Recall start date: 2021-12-17
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