inforMED
MalfunctionCDX

ELECSYS T4 ASSAY

Received Nov 25, 2020 · Event occurred Nov 3, 2020

Report 1823260-2020-03007 · MDR key 10900403

Device

Generic name

Radioimmunoassay, Total Thyroxine

Manufacturer

Roche Diagnostics

Model number

T4

Catalog number

ASKU

Lot number

ASKU

Product problems

  • High Test Results
  • High Test Results

Patient

Not reported

  • No Consequences Or Impact To Patient
  • No Consequences Or Impact To Patient

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM.  THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative

THE INVESTIGATION IS ONGOING. THIS EVENT OCCURRED IN (B)(4).

Description of Event or Problem

THE INITIAL REPORTER RECEIVED A QUESTIONABLE ELECSYS T4 ASSAY RESULT FOR ONE PATIENT FROM ELECSYS 2010 DISK ANALYZER SERIAL NUMBER (B)(4). THE CUSTOMER SUSPECTED INTERFERENCE AS THE RESULT DID NOT FIT THE CLINICAL PICTURE IN A PATIENT WITH MULTIPLE SCLEROSIS UNDER TREATMENT WITH THE IMMUNOREGULATING DRUG COPARAXON 40 (GLATIRAMER). THE T4 RESULT WAS 15.33 G/DL. INFORMATION WAS REQUESTED IF ANY QUESTIONABLE RESULT WAS REPORTED OUTSIDE OF THE LABORATORY, BUT IT WAS NOT KNOWN.