inforMED
MalfunctionMZP

COBAS TAQSCREEN MPX TEST V2.0 CE-IVD

Received Jan 15, 2016 · Event occurred Dec 3, 2015

Report 2243471-2016-00008 · MDR key 5370218

Device

Generic name

Assay, Hyb And/or Nucleic Acid Amp For Detection Of Hcv Rna, Hiv Rna

Model number

NA

Catalog number

05969492190

Lot number

185527

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Incorrect, Inadequate or Imprecise Result or Readings

Patient

Not reported

  • Complaint, Ill-Defined
  • Complaint, Ill-Defined

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION INTO THIS ISSUE IS CURRENTLY ON-GOING. THE OUTCOME OF THIS INVESTIGATION WILL BE COMMUNICATED THROUGH A FOLLOW-UP REPORT. (B)(4).

Description of Event or Problem

A BLOOD BANK IN (B)(6) FILED A COMPLAINT STATING THAT (B)(6) RESULTS FOR ONE BLOOD SCREENING DONOR SAMPLE WERE GENERATED WHEN USING THE COBAS TAQSCREEN MPX V2.0 CE-IVD TEST. THE INITIAL POOL OF ONE RESULTS WERE (B)(6). THE REPEAT POOL GAVE (B)(6). THE FINAL RESULT WAS REPORTED AS (B)(6). ALL TESTING WAS PERFORMED ON (B)(6) 2015. THE SEROLOGY RESULTS FOR THIS DONOR ARE CURRENTLY UNKNOWN.

Additional Manufacturer Narrative

THE CUSTOMER FROM (B)(6) ALLEGED DISCREPANT HBV RESULTS FOR A DONOR WHEN TESTED WITH THE TAQSCREEN MPX TEST, V2.0. THE PATIENT'S SEROLOGY RESULTS WERE LATER FOUND TO BE NEGATIVE. THE INVESTIGATION DETERMINED THAT THE COMPLAINT KIT LOT MET RELEASE SPECIFICATIONS. ADDITIONALLY, THE INSTRUMENTATION AND ALGORITHM USED PERFORMED AS INTENDED. THE INITIAL REACTIVE RESULT WAS MOST LIKELY DUE TO SAMPLE SPECIFIC ISSUES.