inforMED
MalfunctionCHH

CHOLESTEROL GEN.2

Received Jun 12, 2026 · Event occurred May 19, 2026

Report 1823260-2026-02328 · MDR key 25487340

Device

Generic name

Enzymatic Esterase--oxidase, Cholesterol

Manufacturer

Roche Diagnostics

Catalog number

03039773190

Lot number

92880701

Product problems

  • High Test Results
  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE COBAS INTEGRA 400 PLUS W/O ISE SERIAL NUMBER IS (B)(6). A FIELD SERVICE ENGINEER (FSE) REPLACED THE SAMPLE PROBES. THE CUSTOMER HAS OBSERVED AN OIL-LIKE SUBSTANCE ON THE SURFACE OF THE SAMPLES, ALONGSIDE INSTANCES OF THE SEPARATOR GEL MELTING AND ADHERING TO THE TUBE WALLS. THE CUSTOMER STATED THAT THE TUBES ARE STORED CORRECTLY WITHIN THE LABORATORY. THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF A QUESTIONABLE CHOLESTEROL GEN.2 RESULT FROM THE COBAS INTEGRA 400 PLUS W/O ISE FOR 1 PATIENT SAMPLE. THE INITIAL RESULT WAS 448 MG/DL, AND THE REPEAT RESULT WAS 251 MG/DL.