The customer reported a false negative result with the binaxnow covid-19 antigen self test assay performed on (b)(6)2022.The consumer tested with a different brand home covid-19 test on (b)(6)2022 which generated a positive result.No additional patient information, including treatment and outcome, was provided.
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Testing was performed at abbott diagnostics (b)(4), inc.On retained kit lot 210605 with internal positive quality control samples and negative quality control swabs.All test results were valid and performed as expected.Additionally, the manufacturing records and quality control release testing was reviewed for test kit part number 195-160 / lot 210605, test base part number 195-430wl / lot 206876.The lot met the required release specifications.A review of the complaints reported as false negative patient results (confirmed and unconfirmed, conflicting results) related to kit lot 210605 showed that the complaint rate is (b)(4).In conclusion, abbott diagnostics scarborough was unable to determine the exact root cause of the reported issue; however, it could possibly be related to issues including the self-test user performance, interpretation of the result, or the specific patient sample.
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