The required information to enable further investigation, such as the kit's lot number, was not available and therefore a root cause investigation was not performed.A review of complaints' trend reveal that all of the id now covid-19 test kits within expiry are performing according to label claims.The exact root cause of the reported issue could not be determined.
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A customer reported two false negative results on direct nasopharyngeal swabs (not otherwise specified) with the id now covid-19 test.The customer did not provide any information on confirmation testing.Additional patient information, including symptoms, treatment, impact and outcome, were not provided.Attempts to collect additional information were not successful.The id now covid-19 product insert indicates that negative results should be treated as presumptive and tested with an alternative fda authorized molecular assay, if necessary for clinical management, including infection control.The pi states negative results do not preclude sars-cov-2 infection and should not be used as the sole basis for patient management decisions.Negative results must be combined with clinical observations, patient history, and epidemiological information.Additionally, the id now covid-19 product insert includes a limitation that false negative results may occur if a specimen is improperly collected, transported or handled.False negative results may also occur if amplification inhibitors are present in the specimen or if inadequate levels of viruses are present in the specimen.Due to the risk of a potential false negative result leading to no or delayed treatment, this event shall be considered reportable.
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