FDA Adverse Event Malfunction Summary report: N

DETERMINE HIV-1/2 AG/AB COMBO 25T

MDR report key: 24444116 · Received February 25, 2026

Report

Report Number
1221359-2026-00027
Event Type
Malfunction
Date Received
February 25, 2026
Date of Event
August 1, 2025
Report Date
February 25, 2026
Manufacturer
ABBOTT DIAGNOSTICS SCARBOROUGH, INC.
Product Code
MZF
PMA / PMN Number
BP120037
Removal / Correction Number
1221359-07/31/2025-002-C
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
TX, US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

B5, D4: THE CUSTOMER PROVIDED THE DEVICE LOT NUMBER, BUT NOT THE KIT LOT NUMBER. BASED ON THE DEVICE LOT NUMBER, THE TEST WOULD HAVE COME FROM ONE (1) OF TWO (2) KIT LOT NUMBERS: LOT: 871699, UDI: (B)(4), MANUFACTURING DATE: 26APR2024, EXPIRATION DATE: 28FEB2026. LOT: 867175, UDI: (B)(4), MANUFACTURING DATE: 19APR2024, EXPIRATION DATE: 28FEB2026. INVESTIGATION FOR LOT: 871699: AS PART OF AN INVESTIGATION INTO PRELIMINARY FALSE REACTIVE RESULTS, ABBOTT FOUND THAT FOR KIT LOT: 871699, THE ROOT CAUSE OF THE RESULTS WAS DUE TO A SUBCOMPONENT USED IN THE MANUFACTURE OF DETERMINE HIV-1/2 AG/AG COMBO. THE ISSUE HAS BEEN ISOLATED TO SPECIFIC LOTS OF THE SUBCOMPONENT, WHICH WERE USED TO MANUFACTURE SPECIFIC TEST KIT LOTS. THE NECESSARY ACTIONS TO PREVENT RECURRENCE HAVE BEEN TAKEN, AND THE CORRECTION OF PRODUCT IN THE FIELD WAS CONDUCTED. INVESTIGATION FOR LOT: 867175: THE MANUFACTURING RECORDS AND QUALITY CONTROL RELEASE TESTING WAS REVIEWED FOR TEST KIT PART NUMBER: 7D2648 / LOT: 867175, TEST BASE PART NUMBER: 10732998 / LOT: 853194. THE LOT MET THE REQUIRED RELEASE SPECIFICATIONS. AS PART OF AN INVESTIGATION INTO PRELIMINARY FALSE REACTIVE RESULTS, ABBOTT FOUND THAT FOR KIT LOT: 867175, THE ROOT CAUSE OF THE RESULTS WAS DUE TO A SUBCOMPONENT USED IN THE MANUFACTURE OF DETERMINE HIV-1/2 AG/AG COMBO. THE ISSUE HAS BEEN ISOLATED TO SPECIFIC LOTS OF THE SUBCOMPONENT, WHICH WERE USED TO MANUFACTURE SPECIFIC TEST KIT LOTS. THE NECESSARY ACTIONS TO PREVENT RECURRENCE HAVE BEEN TAKEN, AND THE CORRECTION OF PRODUCT IN THE FIELD WAS CONDUCTED.

Description of Event or Problem · 0

THE CUSTOMER REPORTED SEVEN (7) FALSE POSITIVE RESULTS WITH THE DETERMINE HIV 1/2 AG/AB COMBO TEST WITH A FINGERSTICK SAMPLE ON AN UNKNOWN DATE. THIS REPORT IS FOR TEST FIVE (5) OF SEVEN (7) BETWEEN ONE (1) OF TWO (2) LOTS (871699, 867175). THE PATIENTS UNDERWENT CONFIRMATORY TESTING (METHOD UNKNOWN), WHICH RETURNED NEGATIVE RESULTS. THE PATIENTS WERE NOT ON ANTI-RETROVIRAL THERAPY AND NO MEDICATION WAS PROVIDED BASED ON THE RESULTS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
567958 DETERMINE HIV-1/2 AG/AB COMBO 25T TEST, HIV DETECTION MZF ABBOTT DIAGNOSTICS SCARBOROUGH, INC.

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown