MAUDE Adverse Event Report: QUIDEL CORPORATION DBA ORTHO-CLINICAL DIAGNOSTICS SOFIA SARS ANTIGEN FIA, NS SWAB

Catalog Number	20374
Medical Device Problem Codes	False Negative Result (1225); No Apparent Adverse Event (3189)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/15/2025
Type of Reportable Event	Malfunction
Event or Problem Description
Reports false negative result of two patient's samples, comfirmed with pcr test.Unknown if patient's were symptomatic.No apparent adverse event.Report 1 of 2.
Additional Manufacturer Narrative
Investigation conclusion: a review of the dhr found that the lot met all release criteria.A review of complaint history did not identify any adverse trends for the reported issue for this lot.Root cause: unable to determine.Source: phone.

• Brand Name: SOFIA SARS ANTIGEN FIA, NS SWAB
• Common Device Name: SOFIA SARS ANTIGEN FIA, NS SWAB
• Manufacturer (Section D): QUIDEL CORPORATION DBA ORTHO-CLINICAL DIAGNOSTICS; 10165 mckellar court; san diego CA 92121
• Manufacturer Contact: chelsea lindgren ; 10165 mckellar court; san diego, CA 92121
• MDR Report Key: 23287028
• Report Number: 0002024674-2025-00578
• Device Sequence Number: 12975406
• Product Code: QKP
• UDI-Device Identifier: 30014613339083
• UDI-Public: (01)30014613339083(10)709789
• Combination Product (Y/N): N
• Initial Reporter State: WY
• Initial Reporter Country: US
• PMA/510(K) Number: EUA200742
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 10/13/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 20374
• Device Lot Number: 709789
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/15/2025
• Initial Report FDA Received Date: 10/15/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown