inforMED
MalfunctionDCN

TINA-QUANT C-REACTIVE PROTEIN IV

Received Oct 30, 2025 · Event occurred Oct 6, 2025

Report 1823260-2025-04422 · MDR key 23424134

Device

Generic name

C Reactive Protein Test System

Manufacturer

Roche Diagnostics

Catalog number

07876033190

Lot number

ASKU

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Low Test Results
  • Incorrect, Inadequate or Imprecise Result or Readings
  • Low Test Results

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

MEDWATCH FIELD H6 CODING HAS BEEN UPDATED.

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE C501 ANALYZER IS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THE INITIAL REPORTER STATED THEY HAVE RECEIVED IMPLAUSIBLY LOW RESULTS FOR ONE NEWBORN PATIENT TESTED WITH TINA-QUANT C-REACTIVE PROTEIN IV ON A COBAS 6000 C501 MODULE. THE CUSTOMER AND SEVERAL CLINICIANS ALLEGE THAT THE CRP RESULTS ARE IMPLAUSIBLY LOW COMPARED TO HIGH IL-6 VALUES. ON (B)(6) 2025, THE PATIENT HAD A CRP VALUE OF < 0.6 MG/L AND AN IL-6 VALUE OF 302 NG/L. ON (B)(6) 2025, THE PATIENT HAD A CRP VALUE OF < 0.6 MG/L AND AN IL-6-NGB VALUE OF 397 NG/L. ON (B)(6) 2025, THE PATIENT HAD A CRP VALUE OF 1.0 MG/L AND AN IL-6 VALUE OF 258 NG/L.

Additional Manufacturer Narrative

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