inforMED
MalfunctionNHX

ELECSYS ANTI-CCP

Received Dec 3, 2025 · Event occurred Nov 13, 2025

Report 1823260-2025-04936 · MDR key 23707771

Device

Generic name

Antibodies, Anti-cyclic Citrullinated Peptide (ccp)

Manufacturer

Roche Diagnostics

Catalog number

05031656190

Lot number

ASKU

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Non Reproducible Results
  • Incorrect, Inadequate or Imprecise Result or Readings
  • Non Reproducible Results

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION DETERMINED THE ISSUE IS CONSISTENT WITH HEMOLYSIS OF THE PATIENT SAMPLE. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT ISSUE.

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE E411 ANALYZER WAS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THE INITIAL REPORTER STATED THEY RECEIVED DISCREPANT RESULTS FOR ONE PATIENT SAMPLE TESTED WITH ELECSYS ANTI-CCP ON A COBAS E411 RACK. THE SAMPLE INITIALLY RESULTED IN AN ANTI-CCP VALUE OF 50 U/ML. THE SAMPLE WAS DILUTED X 5 USING LOW CONCENTRATION PATIENT SERUM AND REPEATED, RESULTING IN AN ANTI-CCP VALUE OF 660 U/ML.