inforMED
MalfunctionLFZ

ELECSYS CMV IGG

Received Apr 26, 2022 · Event occurred Mar 1, 2022

Report 1823260-2022-01184 · MDR key 14208719

Device

Generic name

Enzyme Linked Immunoabsorbent Assay, Cytomegalovirus

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

07027117190

Lot number

56805401

Product problems

  • High Test Results
  • Low Test Results
  • High Test Results
  • Low Test Results

Patient

Unknown

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

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THE INITIAL REPORTER RECEIVED QUESTIONABLE ELECSYS CMV IGG RESULTS FOR ONE PATIENT TESTED ON A COBAS 8000 E 801 MODULE SERIAL NUMBER (B)(4). THE PATIENT HAD TWO SAMPLES COLLECTED. THE PATIENT'S ELECSYS CMV IGG RESULTS WERE REPORTED OUTSIDE THE LABORATORY. THE PATIENT'S SAMPLES WERE REPEATED ON A VIDAS ANALYZER AND A LIAISON ANALYZER. ON (B)(6) 2022, THE PATIENT'S FIRST SAMPLE WAS COLLECTED. THE PATIENT'S ELECSYS CMV IGG RESULT WAS 2.5 U/ML POSITIVE. THE PATIENT'S VIDAS CMV IGG RESULT WAS 0.135 UA/ML NEGATIVE. ON (B)(6) 2022, THE PATIENT'S SECOND SAMPLE WAS COLLECTED. THE PATIENT'S ELECSYS CMV IGG RESULT WAS "<1" U/ML NEGATIVE. THE PATIENT'S VIDAS CMV IGG RESULT WAS 19 UA/ML POSITIVE. THE PATIENT'S LIAISON CMV IGG RESULT WAS 63 U/ML POSITIVE.

Additional Manufacturer Narrative

THE PATIENT'S SAMPLE WAS NOT AVAILABLE FOR INVESTIGATION. BASED ON THE PROVIDED INFORMATION, THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.