inforMED
MalfunctionJGS

SODIUM ELECTRODE

Received Jul 17, 2026 · Event occurred Jun 19, 2026

Report 1823260-2026-02903 · MDR key 25855392

Device

Generic name

Electrode, Ion Specific, Sodium

Manufacturer

Roche Diagnostics

Catalog number

10825468001

Lot number

GWC97

Product problems

  • High Test Results

Patient

Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE SODIUM ELECTRODE RESULTS FOR 1 PATIENT SAMPLE ON A COBAS ISE NEO 1800.THE INITIAL RESULT WAS 147 MMOL/L.THE SAMPLE WAS REPEATED ON ANOTHER MODULE (MODULE 2), AND THE RESULT WAS 135 MMOL/L.THE SAMPLE WAS REPEATED ON ANOTHER MODULE (MODULE 3), AND THE RESULT WAS 137 MMOL/L.THE SAMPLE WAS REPEATED BECAUSE THE INITIAL RESULT DIDN'T MATCH THE PATIENT'S CLINICAL HISTORY.

Additional Manufacturer Narrative

E1 INITIAL REPORTER ESTABLISHMENT NAME: UNIVERSITY HOSPITAL WURZBURG, PUBLIC CORPORATION, CENTRAL LABORATORY ZIM A4.-2.965THE ANALYZER'S SERIAL NUMBER IS (b)(6).THE INVESTIGATION IS ONGOING.