The patient sample was submitted for investigation.During the investigation the customer's anti-tpo result was confirmed.A value above the cutoff value of the assay was measured.Investigation confirmed the presence of a streptavidin interfering factor.This interference most likely caused the erroneous anti-tpo result.This specific interference is addressed in product labeling.For diagnostic purposes, the results should always be assessed in conjunction with the patient's medical history, clinical examination, and other findings.
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