FDA Adverse Event Summary report: N

COBAS TAQSCREEN MPX TEST

MDR report key: 2142089 · Received June 28, 2011

Report

Report Number
2243471-2011-00062
Date Received
June 28, 2011
Date of Event
May 3, 2011
Report Date
August 30, 2011
Manufacturer
ROCHE MOLECULAR SYSTEMS
Product Code
MKT
PMA / PMN Number
BL125255
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
BR
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

A DEFINITIVE CONCLUSION CANNOT BE DRAWN AT THIS TIME, AS THE INVESTIGATION INTO THIS ISSUE IS ONGOING. THE OUTCOME OF THE INVESTIGATION WILL BE COMMUNICATED THROUGH A FOLLOW-UP REPORT.(B)(4).

Additional Manufacturer Narrative · 1

(B)(4): NO FAILURE DETECTED AND PRODUCT WITHIN SPECIFICATION. THE CUSTOMER REPORTED THAT THEY OBTAINED A (B)(6) RESULT FROM A DONOR WITH THE COBAS TAQSCREEN MPX TEST BUT THE DONOR SPECIMEN WAS SEROLOGY (B)(6). THE DONATION WAS BLOCKED FROM THE BLOOD SUPPLY. ALTHOUGH REQUESTED, NO SAMPLES FROM THE DONOR WERE PROVIDED BY THE CUSTOMER FOR INVESTIGATIVE TESTING SUCH AS SEQUENCING ANALYSIS OR ALTERNATIVE NAT TESTING. THEREFORE, IT CANNOT BE DETERMINED IF MISMATCHES TO THE ASSAY OLIGOS ACCOUNT FOR THE (B)(6) RESULTS GENERATED BY THE COBAS TAQSCREEN MPX TEST. BASED ON THE INFORMATION AVAILABLE, NO PRODUCT NON-CONFORMANCE WAS IDENTIFIED. (B)(4).

Description of Event or Problem · 1

A CUSTOMER SITE IN (B)(6) REPORTED THAT A PATIENT SAMPLE GENERATED A FALSE NON-REACTIVE TEST RESULT, FOR (B)(6), WHEN TESTED WITH THE COBAS TAQSCREEN MPX TEST. SPECIFICALLY, THE CUSTOMER REPORTED THAT THE DONOR SPECIMEN WAS SEROLOGY POSITIVE AND GENERATED NON-REACTIVE TEST RESULTS WITH THE COBAS TAQSCREEN MPX TEST. THE PATIENT SAMPLE WAS TESTED FOR SEROLOGY MULTIPLE TIMES WITH THE ARCHITECT (ABBOTT) AND MUREX (DIASORIN) TESTS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 COBAS TAQSCREEN MPX TEST HEPATITIS VIRAL B DNA DETECTION MKT ROCHE MOLECULAR SYSTEMS

Patients

Seq Age Sex Outcome Treatment
1