The customer reported a false negative result with the binaxnow covid-19 ag card performed on (b)(6) 2021 on a direct tested nasal kitted swab.Nasal swab repeat testing was performed on (b)(6) 2021 generating negative results.Confirmation testing was performed with pcr on (b)(6) 2021 generating positive results.Ct value not reported.The customer stated the patient was symptomatic.The patient had to seek confirmatory testing and developed pneumonia.No additional patient information, including outcome, was provided.
|
Investigation report: testing was performed at abbott diagnostics scarborough, inc.On retained kit lot 139593 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 195-000 / lot 139593 and test base part number 195-430h / lot 135358a.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 139593 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 the specific patient sample.
|