MAUDE Adverse Event Report: ACON LABORATORIES, INC. FLOWFLEX COVID-19 ANTIGEN HOME TEST; ANTIGEN DIAGNOSTIC FOR SARS-COV-2, PRODUCT CODE: QKP

Lot Number COV3030009

Device Problem False Positive Result (1227)

Patient Problem Insufficient Information (4580)

Event Date 02/28/2024

Event Type  malfunction  

Manufacturer Narrative

The current complaint is pending investigation from our contract manufacturer, and we will provide follow up mdr upon investigation completion such as review of batch records or testing of retention samples.Any additional information received by acon may be provided to fda in a follow up mdr.

Event Description

False positive result (s).Customer reported the following, "i took a flowflex antigen home test.It was positive.I went to urgent care and got a pcr (polymerase chain reaction) rvs.Both were negative.They asked me to do another at home and i did and it was positive.I did another pcr on wed.Neg.Thurs.Binaxnow neg.Friday binaxnow neg.I'm so glad i did not take the paxlovid.I have a bacterial infection.My boxes of flowflex say expire 2025, date (2) 3/27, one 3/26 on 1.Your website says 2024 for cov3030007 ov3030007 expire this month.This was a false positive i believe because the close expiration date being 2024 not 2025." mdr# mw5151804/mw5151805.

Event Description

False positive result (s).Customer reported the following, "i took a flowflex antigen home test.It was positive.I went to urgent care and got a pcr (polymerase chain reaction) rvs.Both were negative.They asked me to do another at home and i did and it was positive.I did another pcr on wed.Neg.Thurs.Binaxnow neg.Friday binaxnow neg.I'm so glad i did not take the paxlovid.I have a bacterial infection.My boxes of flowflex say expire 2025, date (2) 3/27, one 3/26 on 1.Your website says 2024 for cov3030007 ov3030007 expire this month.This was a false positive i believe because the close expiration date being 2024 not 2025." mdr# mw5151804/mw5151805.

Manufacturer Narrative

Batch records for final product manufacture and qc record for cov3030009 were reviewed and no abnormal issue was found in manufacturing process, technical testing and quality control inspection, and the manufacturing process is complied with dmr.The test results of retention samples from cov3030009 met the qc criteria.The complaint issue from the retained cassettes.The complaint is not verified.In this follow-up report, the following information has been updated from the initial report upon completion of the internal.Investigation.The following fields are updated: b4, "date of this report" - date of follow-up report.G6, "type of report" - follow-up #1.H2, "if follow-up, what type?" - updated to "additional information" and "device evaluation".H6 "adverse event problem" - event problem and evaluation codes such as "investigation.Findings" and "investigation.Conclusions" are added per investigation.H10 "additional narrative/data" - added manufacturer's narrative.

• Brand Name: FLOWFLEX COVID-19 ANTIGEN HOME TEST
• Type of Device: ANTIGEN DIAGNOSTIC FOR SARS-COV-2, PRODUCT CODE: QKP
• Manufacturer (Section D): ACON LABORATORIES, INC.; 5850 oberlin drive #340; san diego CA 92121
• Manufacturer (Section G): ACON LABORATORIES, INC.; 5850 oberlin drive #340; san diego CA 92121
• Manufacturer Contact: qiyi xie
• MDR Report Key: 18842758
• MDR Text Key: 337683330
• Report Number: 2531491-2024-00035
• Device Sequence Number: 1
• Product Code: QKP
• Combination Product (y/n): N
• PMA/PMN Number: EUA210494
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Consumer
• Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date: 03/05/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 03/05/2024
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Lot Number: COV3030009
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Date Manufacturer Received: 02/28/2024
• Was Device Evaluated by Manufacturer?: No
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1