inforMED
MalfunctionCDP

ELECSYS T3

Received Dec 20, 2023 · Event occurred Dec 5, 2023

Report 1823260-2023-04137 · MDR key 18365973

Device

Generic name

Radioimmunoassay, Total Triiodothyronine

Manufacturer

Roche Diagnostics

Model number

09007733190

Catalog number

09007733190

Lot number

704129

Product problems

  • High Test Results
  • Chemical Problem
  • High Test Results
  • Chemical Problem

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

SECTION D4 REAGENT LOT NUMBER HAS BEEN UPDATED. THE CUSTOMER'S T3 REFERENCE RANGE IS 80-200 NG/DL. THE CUSTOMER STATED THAT THEIR QC RECOVERY DATA WAS ACCEPTABLE. BASED ON THE AVAILABLE DATA, A GENERAL REAGENT ISSUE COULD BE EXCLUDED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE ROOT CAUSE OF THE EVENT WAS FOUND TO BE CONSISTENT WITH PRE-ANALYTICAL SAMPLE HANDLING ISSUES.

Additional Manufacturer Narrative

**UDI RELATED DATA QUALITY UPDATES ONLY** D3 IS THE INITIAL DISTRIBUTOR IN THE US.

Additional Manufacturer Narrative

THE ANALYZER SERIAL NUMBER IS (B)(6). THE QC RECOVERY DATA PROVIDED WAS ACCEPTABLE. THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS T3, ELECSYS T4 ASSAY, AND ELECSYS TSH ASSAY RESULTS FOR 6 PATIENT SAMPLES ON A COBAS E 801 ANALYTICAL UNIT COMPARED TO TREE COMPETITOR ANALYZERS. THIS MEDWATCH WILL COVER T3. REFER TO MEDWATCH WITH A1 PATIENT IDENTIFIER (B)(6) FOR INFORMATION ON THE T4 RESULTS AND MEDWATCH WITH A1 PATIENT IDENTIFIER (B)(6) FOR INFORMATION ON THE TSH RESULTS. REFER TO THE ATTACHMENT TO THE MEDWATCH FOR ALL PATIENT DATA. THE UNITS OF MEASUREMENT FOR THE TSH RESULTS AND FOR THE COMPETITOR ANALYZER RESULTS WERE NOT PROVIDED. THE REFERENCE RANGES FOR ALL ASSAYS WERE NOT PROVIDED.