inforMED
MalfunctionCDP

ELECSYS FT4 III

Received Aug 14, 2023 · Event occurred Jul 19, 2023

Report 1823260-2023-02617 · MDR key 17541017

Device

Generic name

Radioimmunoassay, Free Thyroxine

Manufacturer

Roche Diagnostics

Catalog number

07976836190

Lot number

ASKU

Product problems

  • Low Test Results
  • Non Reproducible Results
  • Low Test Results
  • Non Reproducible Results

Patient

Unknown

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

Narrative

Additional Manufacturer Narrative

MEDWATCH FIELD D1 BRAND NAME WAS UPDATED.

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE CUSTOMER'S COBAS E411 DISK IS (B)(6).BASED ON THE INFORMATION PROVIDED, THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Description of Event or Problem

THE INITIAL REPORTER RECEIVED QUESTIONABLE ELECSYS TSH AND ELECSYS FT4 III RESULTS FROM ONE PATIENT SAMPLE TESTED ON THE COBAS E411 DISK. THIS MEDWATCH IS FOR THE FT4 III ASSAY. PLEASE REFER TO THE MEDWATCH WITH A1. PATIENT IDENTIFIER (B)(6) FOR THE TSH ASSAY. IT IS UNKNOWN IF THE INITIAL RESULT WAS REPORTED OUTSIDE OF THE LABORATORY. THE INITIAL RESULT WAS 0.039 NG/DL WITH A DATA FLAG. THE FIRST REPEAT RESULT WAS 1.18 NG/DL. THE SECOND REPEAT RESULT WAS 1.18NG/DL.