inforMED
MalfunctionDCN

TINA-QUANT C-REACTIVE PROTEIN IV

Received Jun 12, 2026 · Event occurred May 20, 2026

Report 1823260-2026-02335 · MDR key 25487893

Device

Generic name

C-reactive Protein Test System

Manufacturer

Roche Diagnostics

Catalog number

08057591190

Lot number

92637901

Product problems

  • Low Test Results
  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE ANALYZER'S SERIAL NUMBER IS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE TINA-QUANT C-REACTIVE PROTEIN IV RESULTS FOR 1 PATIENT SAMPLE ON A COBAS C 503 ANALYTICAL UNIT. THE INITIAL RESULT WAS 3.74 MG/DL. THE RESULT WAS QUESTIONED BECAUSE IT DID NOT ALIGN WITH ANOTHER RESULT THAT WAS OBTAINED ON ANOTHER INSTRUMENT (RESULT WAS NOT PROVIDED). THE SAMPLE WAS REPEATED, AND THE REPEATED RESULT WAS 9.14 MG/DL. THE SAMPLE WAS REPEATED USING A MICROCUP, AND THE RESULTS WERE 12.2. MG/DL AND 12.2 MG/DL.