The patient sample was received for investigation.The investigation tested the patient sample for ft3iii, ft3 iii v2, ft4 iii, and ft4 iv using commercially available assay versions; similar results were obtained.No interference was detected.Assays from different manufacturers can generate different results.This relates to the overall setups of the assays, the antibodies used, differences in reference materials, and the standardization methodology used.Product labeling states: "for diagnostic purposes, the results should always be assessed in conjunction with the patient´s medical history, clinical examination and other findings." the investigation did not identify a product problem.
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