inforMED
MalfunctionCEO

PHOSPHATE (INORGANIC) VER.2

Received Dec 3, 2025 · Event occurred Nov 11, 2025

Report 1823260-2025-04930 · MDR key 23706931

Device

Generic name

Phosphomolybdate (colorimetric), Inorganic Phosphorus

Manufacturer

Roche Diagnostics

Catalog number

05171377190

Lot number

89812301

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem
  • Incorrect, Inadequate or Imprecise Result or Readings
  • Output Problem

Patient

42 YR · Male

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

Narrative

Additional Manufacturer Narrative

THE CUSTOMER REPLACED THE REAGENT PACK. THE FIELD SERVICE ENGINEER (FSE) PERFORMED PRECISION TESTING SUCCESSFULLY. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE ROOT CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative

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

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE PHOSPHATE (INORGANIC) VER.2 RESULTS FOR 1 PATIENT SAMPLE ON A COBAS 8000 C702 MODULE. THE CUSTOMER WAS PROMPTED TO REPEAT THE PATIENT SAMPLE AS THEIR QC SHIFTED. THE CUSTOMER RECALIBRATED AND REPEATED QC PRIOR TO REPEATING THE SAMPLE. THE INITIAL RESULT WAS 1.5 MG/DL. THE REPEAT RESULT WAS 1.0 MG/DL. THE REPEAT RESULT WAS DEEMED CORRECT.