inforMED
MalfunctionCEK

TOTAL PROTEIN GEN.2

Received Dec 11, 2023 · Event occurred Nov 16, 2023

Report 1823260-2023-03937 · MDR key 18305589

Device

Generic name

Biuret Total Protein

Manufacturer

Roche Diagnostics

Catalog number

08058652190

Lot number

ASKU

Product problems

  • Output Problem
  • Output Problem

Patient

Unknown

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

Narrative

Additional Manufacturer Narrative

THE TP2 EXPIRATION DATE WAS NOT PROVIDED. THE ALBP REAGENT LOT NUMBER AND EXPIRATION DATE WERE NOT PROVIDED. THE COBAS PRO C503 ANALYTICAL UNIT SERIAL NUMBER WAS (B)(6). THE ALARM TRACE SHOWED ABNORMAL ASPIRATION ALARMS. THE FIELD SERVICE ENGINEER (FSE) VISITED THE CUSTOMER'S SITE AND FOUND NO ISSUES WITH THE ANALYZER. THE FSE REPLACED THE SAMPLE PROBE. THE CUSTOMER HAD NO FURTHER ISSUES AFTER THE SAMPLE PROBE WAS REPLACED. THE ROOT CAUSE WAS CONSISTENT WITH A PRE-ANALYTICAL ISSUE.

Description of Event or Problem

WE RECEIVED AN ALLEGATION ABOUT DISCREPANT RESULTS FOR 1 PATIENT'S SAMPLE TESTED WITH TOTAL PROTEIN GEN.2 (TP2) ASSAY AND ALBUMIN BCP (ALBP) ASSAY ON A COBAS PRO C503 ANALYZER. THIS MEDWATCH WILL APPLY TO THE TP2 ASSAY. PLEASE REFER TO THE MEDWATCH WITH A1. PATIENT IDENTIFIER (B)(6) FOR INFORMATION RELATED TO THE ALBP ASSAY. TP2: INITIAL RESULT: 5.60 G/L. REPEAT RESULT: 75.3 G/L. ALBP: INITIAL RESULT: 4.83 G/L. REPEAT RESULT: 42.4 G/L. THE MEDICAL PERSONNEL QUESTIONED THE RESULTS AND THE SAMPLE WAS THEN REPEATED.