FDA Adverse Event Malfunction Summary report: N

ALINITY I ANTI-HCV REAGENT KIT

MDR report key: 23477323 · Received November 5, 2025

Report

Report Number
3002809144-2025-00351
Event Type
Malfunction
Date Received
November 5, 2025
Date of Event
October 21, 2025
Report Date
December 11, 2025
Manufacturer
ABBOTT GMBH
Product Code
MZO
UDI-DI
00380740169206
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
SN
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

PATIENT INFORMATION SECTION A1 PATIENT IDENTIFIER EXCEEDED CHARACTER LIMIT, THE FULL ID IS (B)(6). NO ADDITIONAL PATIENT INFORMATION WAS PROVIDED. THIS REPORT IS BEING FILED ON AN INTERNATIONAL PRODUCT, LIST NUMBER 8P06 THAT HAS A SIMILAR PRODUCT DISTRIBUTED IN THE US, LIST NUMBER 8P05, AND 510K/PMA/BLA OF P050042. EVALUATION IS IN PROCESS. A FOLLOWUP REPORT WILL BE SUBMITTED WHEN THE EVALUATION IS COMPLETE.

Additional Manufacturer Narrative · 0

THE COMPLAINT INVESTIGATION OF LOT 74263BE00 INCLUDED A REVIEW OF DATA AND INFORMATION PROVIDED BY THE CUSTOMER, SEARCH FOR SIMILAR COMPLAINTS, TICKET TRENDING REVIEW, LABELING REVIEW, DEVICE HISTORY RECORD REVIEW, AND IN HOUSE TESTING OF A RETAINED REAGENT KIT LOT 74263BE00. DATA AND INFORMATION PROVIDED BY THE CUSTOMER WERE REVIEWED AND SUPPORT THE COMPLAINT ISSUE WITHOUT INDICATION FOR ANY ADDITIONAL ISSUE. THE TICKET SEARCH BY LOT INDICATES THAT THE REAGENT LOT PERFORMS AS EXPECTED FOR THIS PRODUCT. TICKET TRENDING REVIEW FOR THE LIST NUMBER DID NOT IDENTIFY ANY RELATED TRENDS. DEVICE HISTORY REVIEW DID NOT IDENTIFY ANY NON-CONFORMANCES OR DEVIATIONS WITH THE COMPLAINT LOT. IN-HOUSE TESTING WAS COMPLETED USING PANELS WHICH MIMIC PATIENT SAMPLES USING AN IN-HOUSE RETAINED KIT. ALL SPECIFICATIONS WERE MET INDICATING THE LOT IS PERFORMING ACCEPTABLY. LABELING WAS REVIEWED AND SUFFICIENTLY ADDRESSES THE CUSTOMER¿S ISSUE. BASED ON THE INVESTIGATION, NO SYSTEMIC ISSUE OR DEFICIENCY OF THE ALINITY I ANTI-HCV REAGENT LOT 74263BE00 WAS IDENTIFIED.

Additional Manufacturer Narrative · 0

CORRECTED INFORMATION: SECTION B5 DESCRIPTION OF EVENT UPDATED DATE OF PREVIOUS HISTORICAL RESULT TO 30SEP2025. SECTION D9 UPDATED TO NO. AN EVALUATION IS IN PROCESS. A FOLLOWUP REPORT WILL BE SUBMITTED WHEN THE EVALUATION IS COMPLETE.

Description of Event or Problem · 0

THE CUSTOMER OBSERVED INCONSISTENT/FALSE NEGATIVE ALINITY I ANTI-HCV RESULTS AT THE CUTOFF FOR A PATIENT SAMPLE. SID (B)(6) TESTED 1.07 S/CO (REACTIVE), HARD SPUN AND RERAN ANOTHER ALINITY ANALYZER OF 0.98 S/CO (NON-REACTIVE) AND 1.02 S/CO (REACTIVE). THE FINAL RESULT OF REACTIVE. THEN, THE CUSTOMER REPEATED THE SAMPLE ON THE ORIGINAL ANALYZER WITH HARD SPUN OF 0.99 S/CO (NON-REACTIVE), 0.98 S/CO (NON-REACTIVE), 1.05 S/CO (REACTIVE). THE FINAL RESULT NON-REACTIVE. THE RESULT RELEASED AS NON-REACTIVE. PREVIOUS HISTORICAL RESULT ON (B)(6) 2025 OF 1.15 S/CO (REACTIVE). AS THE PREVIOUS HISTORY WAS REACTIVE, THE CUSTOMER'S CLINICIAN WAS EXPECTING A REACTIVE RESULT. NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Description of Event or Problem · 0

THE CUSTOMER OBSERVED INCONSISTENT/FALSE NEGATIVE ALINITY I ANTI-HCV RESULTS AT THE CUTOFF FOR A PATIENT SAMPLE. SID (B)(6), TESTED 1.07 S/CO (REACTIVE), HARD SPUN AND RERAN ANOTHER ALINITY ANALYZER OF 0.98 S/CO (NON-REACTIVE) AND 1.02 S/CO (REACTIVE). THE FINAL RESULT OF REACTIVE. THEN, THE CUSTOMER REPEATED THE SAMPLE ON THE ORIGINAL ANALYZER WITH HARD SPUN OF 0.99 S/CO (NON-REACTIVE), 0.98 S/CO (NON-REACTIVE), 1.05 S/CO (REACTIVE). THE FINAL RESULT NON-REACTIVE. THE RESULT RELEASED AS NON-REACTIVE. PREVIOUS HISTORICAL RESULT ON (B)(6) 2025 OF 1.15 S/CO (REACTIVE). AS THE PREVIOUS HISTORY WAS REACTIVE, THE CUSTOMER'S CLINICIAN WAS EXPECTING A REACTIVE RESULT. NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Description of Event or Problem · 0

THE CUSTOMER OBSERVED INCONSISTENT/FALSE NEGATIVE ALINITY I ANTI-HCV RESULTS AT THE CUTOFF FOR A PATIENT SAMPLE. SID (B)(6) TESTED 1.07 S/CO (REACTIVE), HARD SPUN AND RERAN ANOTHER ALINITY ANALYZER OF 0.98 S/CO (NON-REACTIVE) AND 1.02 S/CO (REACTIVE). THE FINAL RESULT OF REACTIVE. THEN, THE CUSTOMER REPEATED THE SAMPLE ON THE ORIGINAL ANALYZER WITH HARD SPUN OF 0.99 S/CO (NON-REACTIVE), 0.98 S/CO (NON-REACTIVE), 1.05 S/CO (REACTIVE). THE FINAL RESULT NON-REACTIVE. THE RESULT RELEASED AS NON-REACTIVE. PREVIOUS HISTORICAL RESULT ON (B)(6) 2025 OF 1.15 S/CO (REACTIVE). AS THE PREVIOUS HISTORY WAS REACTIVE, THE CUSTOMER'S CLINICIAN WAS EXPECTING A REACTIVE RESULT. NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2551616 ALINITY I ANTI-HCV REAGENT KIT ASSAY, ENZYME LINKED IMMUNOSORBENT, HEPATITIS C VIRUS MZO ABBOTT GMBH 74263BE00 00380740169206

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown ALNTY I PROCESSING MODU, 03R65-01, (B)(6)| ALNTY I PROCESSING MODU, 03R65-01, (B)(6)| ALNTY I PROCESSING MODU, 03R65-01, (B)(6)| ALNTY I PROCESSING MODU, 03R65-01, (B)(6)| ALNTY I PROCESSING MODU, 03R65-01, (B)(6)| ALNTY I PROCESSING MODU, 03R65-01, (B)(6)