The following fields were updated: b1.Adverse type: reported issue is both an adverse event and product problem.D9.Device available for evaluation? yes.Returned to manufacturer on: 04-oct-2023.H1.Type of reportable event: serious injury.H6.Investigation summary: this statement is to summarize the investigation results regarding the complaint that alleges ¿false negative result¿ when using kit flu a+b 30 test physician veritor (material # 256045), batch number 2175875.The customer reported that the specimen was positive for flu a when they visually read the test device but negative when it was inserted in the analyzer.Per customer, the patient was symptomatic, and provider decided to treat the patient.During trouble shooting, the customer stated that they performed verification cartridge and it passed.Per customer, they always read the test devices visually.Bd quality performs a systematic approach to investigate false negative result complaints.This approach involves review of manufacturing batch history records, testing of retention samples, and testing of customer returned samples, if applicable.Bhr (batch history review) analysis and retain sample testing were performed on the batch number provided and no issues were found, and results were acceptable.Testing was performed on the kit returned and all the devices tested had intended results.No issue was identified.Based on the information provided, the customer tried to interpret the test result visually.Bd representative advised the customer that this test is not designed to read visually.The complaint was unable to be confirmed.A trend analysis for false negative was conducted, no adverse trend was identified.Bd quality will continue to monitor for trends.There were no corrective actions taken at this time.
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