inforMED
MalfunctionCZP

TINA-QUANT IGA GEN.2

Received May 13, 2026 · Event occurred Apr 9, 2026

Report 1823260-2026-01891 · MDR key 25161151

Device

Generic name

Immunoglobulin A

Manufacturer

Roche Diagnostics

Catalog number

03507343190

Lot number

885024

Product problems

  • High Test Results
  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE ANALYZER SERIAL NUMBER IS (B)(6) . THE FIELD SERVICE ENGINEER (FSE) PERFORMED PREVENTATIVE MAINTENANCE, DECONTAMINATION, AND PRECISION, MECHANICAL, AND OPERATIONAL CHECKS SUCCESSFULLY. THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE TINA-QUANT IGA GEN.2 RESULTS FOR 1 PATIENT SAMPLE ON A COBAS 8000 COBAS C 502 MODULE. THE INITIAL RESULT WAS 353.0 MG/DL. THE CUSTOMER QUESTIONED THE RESULT AS IT WAS ACCOMPANIED BY A FLAG IN THEIR LABORATORY INFORMATION SYSTEM WHICH PROMPTED THEM TO REPEAT THE SAMPLE. THE SAMPLE WAS REPEATED THE NEXT DAY AND THE RESULT WAS 271 MG/DL. THE REPEAT RESULT WAS DEEMED CORRECT.