inforMED
MalfunctionCDD

ELECSYS VITAMIN B12 II

Received Apr 15, 2024 · Event occurred Mar 19, 2024

Report 1823260-2024-01144 · MDR key 19104427

Device

Generic name

Radioassay, Vitamin B12

Manufacturer

Roche Diagnostics

Catalog number

07212771190

Lot number

76500607

Product problems

  • Low Test Results
  • Low Test Results

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

MEDWATCH FIELD D4 EXPIRATION DATE WAS UPDATED. FURTHER INFORMATION REGARDING THE CASE WAS REQUESTED BUT NOT PROVIDED. 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 A QUESTIONABLE ELECSYS VITAMIN B12 IMMUNOASSAY RESULT FROM A PATIENT SAMPLE TESTED ON THE COBAS E411 DISK. THE INITIAL RESULT FROM THE ANALYZER WAS 170 PG/ML. THE REPEAT RESULT FROM ANOTHER INSTRUMENT WAS 250 PG/ML.

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE COBAS E411 DISK WAS REQUESTED BUT NOT PROVIDED. THE INVESTIGATION IS ONGOING.