FDA Adverse Event Malfunction Summary report: N

A*23 SSP UNITRAY KIT

MDR report key: 3879717 · Received April 7, 2014

Report

Report Number
2244574-2014-00177
Event Type
Malfunction
Date Received
April 7, 2014
Date of Event
March 13, 2014
Report Date
March 13, 2014
Manufacturer
LIFE TECHNOLOGIES CORP
Product Code
MZI
Removal / Correction Number
2244574-2014-002
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
WI, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

INTERNAL INVESTIGATION OF COMPLAINT (B)(4) FOR CATALOG #54160D, ALLSET GOLD A*23/24 HIGH RES, LOT #002 1256850, CONFIRMS A FALSE NEGATIVE IN LANE 33 WITH AN ALLELE THAT REPRESENTS AN A*23:05 IN DEFINED EXON REGIONS. ROOT CAUSE WAS AN INCORRECT ASSIGNMENT OF THE PRIMER MIX A23-20 AS POSITIVE FOR THIS ALLELE. CATALOG #471702, A*23 SSP UNITRAY KIT, LOT#006 1221255 HAS BEEN IDENTIFIED AS BEING IMPACTED BY THIS ISSUE. KIT DOCUMENTATION FOR CATALOG# 471702, UNITRAY A*23 WILL BE UPDATED TO CHANGE REACTIVITY OF PRIMER MIX A23-20 FROM POSITIVE TO NEGATIVE.

Description of Event or Problem · 1

IT WAS REPORTED THAT THERE IS A FALSE NEGATIVE IN LANE 33 OF ALLSET GOLD A*23/24 HIGH RES ITEM 54160D, LOT 002 1256850 WHEN TESTING AN A*23:05 SAMPLE. THE SAME SAMPLE WAS TESTED WITH SEQUENCING FOR A RESULT OF A*02:01:01:01, A*23:05 AND WITH LUMINEX SSO THE SAME RESULT WAS FOUND WITH AN AMBIGUITY BETWEEN A*23:05 AND A*23:01:01. THIS MAY RESULT IN A MISTYPE. (PR150349). CATALOG #471702, A*23 SSP UNITRAY KIT, LOT#006 1221255 HAS BEEN IDENTIFIED AS BEING IMPACTED BY THIS ISSUE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
206400 A*23 SSP UNITRAY KIT MZI TEST, QUALITATIVE FOR HLA, NON-D MZI LIFE TECHNOLOGIES CORP 006 1221255

Patients

Seq Age Sex Outcome Treatment
1