FDA Adverse Event Malfunction Summary report: N

ARCHITECT TOTAL B-HCG

MDR report key: 23423337 · Received October 30, 2025

Report

Report Number
3005094123-2025-00546
Event Type
Malfunction
Date Received
October 30, 2025
Date of Event
October 21, 2025
Report Date
January 8, 2026
Manufacturer
ABBOTT IRELAND DIAGNOSTICS DIVISION
Product Code
DHA
UDI-DI
00380740163280
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CH
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

A COMPLAINT INVESTIGATION WAS CONDUCTED FOR THE ARCHITECT TOTAL B-HCG REAGENT, LOT 71453UD01. A REVIEW OF TRACKING AND TRENDING DID IDENTIFY AN INCREASE IN COMPLAINT ACTIVITY. HOWEVER, NO COMMONALITIES FOR THE COMPLAINT LOT AND ISSUE WERE IDENTIFIED. DEVICE HISTORY REVIEW DID NOT IDENTIFY ISSUES ASSOCIATED WITH THE CUSTOMER¿S OBSERVATION. ACCURACY TESTING WAS COMPLETED WITH A RETAINED KIT OF THE COMPLAINT LOT. ALL VALIDITY AND ACCEPTANCE CRITERIA WERE MET DURING COMPLETION OF THE PROTOCOL, DEMONSTRATING THAT THE LOT IS PERFORMING AS EXPECTED. LABELING WAS REVIEWED WHICH ADEQUATELY ADDRESSES THE CURRENT ISSUE. BASED ON OUR INVESTIGATION, NO SYSTEMIC ISSUE OR DEFICIENCY WAS IDENTIFIED WITH THE ARCHITECT TOTAL B-HCG REAGENT, LOT 71453UD01.

Additional Manufacturer Narrative · 0

THIS REPORT IS BEING FILED ON AN INTERNATIONAL PRODUCT, LIST NUMBER 07K78-74 THAT HAS A SIMILAR PRODUCT DISTRIBUTED IN THE US, LIST NUMBER 07K78, WITH 510K/PMA/BLA NUMBER K983424. AN EVALUATION IS IN PROCESS. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE EVALUATION IS COMPLETE.

Description of Event or Problem · 0

THE CUSTOMER REPORTED A FALSE POSITIVE ARCHITECT TOTAL -HCG RESULT GENERATED BY THE ARCHITECT I2000SR PROCESSING MODULE FOR A PATIENT. THE FOLLOWING DATA WAS PROVIDED (= 5.00 MIU/ML IS NEGATIVE, 5.00 TO 25.00 MIU/ML IS GRAYZONE, = 25.00 MIU/ML IS POSITIVE): SID (B)(6). INITIAL ARCHITECT TOTAL -HCG RESULT = 651.04 MIU/ML (POSITIVE). REPEAT RESULT = 1.2 MIU/ML (NEGATIVE) NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Description of Event or Problem · 0

THE CUSTOMER REPORTED A FALSE POSITIVE ARCHITECT TOTAL -HCG RESULT GENERATED BY THE ARCHITECT I2000SR PROCESSING MODULE FOR A PATIENT. THE FOLLOWING DATA WAS PROVIDED (= 5.00 MIU/ML IS NEGATIVE, >5.00 TO <25.00 MIU/ML IS GRAYZONE, = 25.00 MIU/ML IS POSITIVE): SID (B)(6): INITIAL ARCHITECT TOTAL -HCG RESULT = 651.04 MIU/ML (POSITIVE) REPEAT RESULT = <1.2 MIU/ML (NEGATIVE) NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1617992 ARCHITECT TOTAL B-HCG SYSTEM, TEST, HUMAN CHORIONIC GONADOTROPIN DHA ABBOTT IRELAND DIAGNOSTICS DIVISION 71453UD01 00380740163280

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown ARC I2000SR INST, 03M74-02, (B)(6)