inforMED
MalfunctionCEK

TOTAL PROTEIN GEN.2

Received Sep 9, 2024 · Event occurred Aug 7, 2024

Report 1823260-2024-02596 · MDR key 20171086

Device

Generic name

Biuret Total Protein

Manufacturer

Roche Diagnostics

Catalog number

05171385190

Lot number

760150

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem
  • Non Reproducible Results
  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem
  • Non Reproducible Results

Patient

44 YR · Male

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE ANALYZER SERIAL NUMBER IS (B)(6). THE CALIBRATION AND QC RECOVERY DATA PROVIDED WERE ACCEPTABLE. THE ALARM TRACE (LAST 30 DAYS) SHOWED OCCASIONAL SAMPLE SHORT ALARMS. THE ALARM TRACE (DATE OF EVENT) DID NOT CONTAIN A CONSPICUOUS EVENT. THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE TP2 TOTAL PROTEIN GEN.2 RESULTS FOR 1 PATIENT SAMPLE ON A COBAS 8000 C702 MODULE. THE INITIAL TP2 RESULT WAS 39.3 G/L. THE CUSTOMER QUESTIONED THE RESULT AS IT DID NOT MATCH THE PATIENT'S CLINICAL PICTURE. THE SAMPLE WAS REPEATED AND THE RESULT WAS 57.3 G/L.

Additional Manufacturer Narrative

BASED ON THE CALIBRATION AND QC DATA, A GENERAL REAGENT ISSUE COULD BE EXCLUDED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE ROOT CAUSE OF THE EVENT COULD NOT BE DETERMINED.