FDA Adverse Event Malfunction Summary report: N

ARCHITECT TOTAL B-HCG REAGENT

MDR report key: 2070784 · Received April 27, 2011

Report

Report Number
1415939-2011-00135
Event Type
Malfunction
Date Received
April 27, 2011
Report Date
November 23, 2010
Manufacturer
A.I.D.D LONGFORD
Product Code
DHA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
HK
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

(B)(4). THIS REPORT IS BEING FILED ON AN INTERNATIONAL PRODUCT, LN (B)(4), ARCHITECT TOTAL B-HCG, THAT HAS A SIMILAR PRODUCT DISTRIBUTED IN THE US, LN (B)(4), ARCHITECT TOTAL B-HCG. A PRODUCT DEFICIENCY HAS BEEN IDENTIFIED. WITH A UNIQUE COMBINATION OF INSTRUMENT AND REAGENT CONDITIONS THERE IS A POTENTIAL FOR SAMPLE CARRYOVER WHICH CAN RESULT IN FALSELY ELEVATED B-HCG CONCENTRATIONS ON THE ARCHITECT I1000SR SYSTEM. NEGATIVE SAMPLES HAVE RETURNED BOTH POSITIVE AND GREY ZONE B-HCG RESULTS WHEN A HIGH CONCENTRATION B-HCG SAMPLE IS ASSESSED PRIOR TO THE NEGATIVE SAMPLE WITH ARCHITECT TOTAL B-HCG (LIST NUMBER 7K78/6C21) ON AN I1000SR INSTRUMENT WHICH ALSO UTILIZES THE ARCHITECT RUBELLA IGG (LIST NUMBER 6C17) ASSAY. FURTHER INVESTIGATION OF THIS QUALITY ISSUE WILL BE CONDUCTED.

Additional Manufacturer Narrative · 1

THE SUSPECT MEDICAL DEVICE MANUFACTURING SITE HAS MOVED FROM (B)(4). MFR # 3005094123-2011-00519 HAS BEEN SUBMITTED TO ADDRESS THIS ERROR.

Description of Event or Problem · 1

THE CUSTOMER STATED AN ARCHITECT I1000SR ANALYZER GENERATED DISCREPANT BHCG RESULTS FOR ONE PATIENT SAMPLE. THE ANALYZER GENERATED AN INITIAL BHCG RESULT OF 16.61 MIU/ML, AND REPEAT BHCG RESULTS OF 16.08, 28.35, AND 46.80 MIU/ML. DATA WAS REVIEWED AND FOUND NOT TO AFFECT THE CLINICAL INTERPRETATION OR MEDICAL DECISION MAKING. THERE WAS NO ADVERSE IMPACT TO PATIENT MANAGEMENT REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ARCHITECT TOTAL B-HCG REAGENT FOR THE DETERMINATION OF BETA-HUMAN CHORIONIC GONADOTROPIN DHA A.I.D.D LONGFORD 89908JN00

Patients

Seq Age Sex Outcome Treatment
1 ARCH I1000SR LN 01L86-01 SN (B)(4)| ARCH I1000SR LN 1L86-01 SN (B)(4)