Sample from the patient was submitted for investigation.An interfering factor to streptavidin in the sample was excluded.A very high biotin concentration was detected in the sample which was considerably higher than the allowable concentration specified in product labeling for the assay.This high level of biotin most likely caused the event.There was no product problem found.For diagnostic purposes, results should always be assessed in conjunction with the patient¿s medical history, clinical examination, and other findings.
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