inforMED
MalfunctionJFP

ROCHE 9180 ELECTROLYTE ANALYZER

Received Sep 14, 2018 · Event occurred Aug 28, 2018

Report 1823260-2018-03149 · MDR key 7877768

Device

Generic name

Electrolyte Analyzer

Manufacturer

Roche Diagnostics

Model number

ISE 9180

Catalog number

ASKU

Lot number

NA

Product problems

  • Low Test Results
  • Low Test Results

Patient

Not reported

  • No Consequences Or Impact To Patient
  • No Consequences Or Impact To Patient

Narrative

Additional Manufacturer Narrative

THIS EVENT OCCURRED IN (B)(6).

Description of Event or Problem

THE CUSTOMER COMPLAINED OF DISCREPANT ISE INDIRECT NA FOR GEN.2 RESULTS FOR 1 PATIENT SAMPLE ON A ROCHE 9180 ELECTROLYTE ANALYZER COMPARED TO AN ELYTE INSTRUMENT. THE NA RESULT WAS 132 MMOL/L ON THE 9180 ELECTROLYTE ANALYZER. THE NA RESULT WAS 141 MMOL/L ON THE ELYTE INSTRUMENT. THERE WAS NO ALLEGATION OF AN ADVERSE EVENT. NO ERRONEOUS RESULTS WERE REPORTED OUTSIDE OF THE LABORATORY. THE CUSTOMER PERFORMED DAILY MAINTENANCE AND CALIBRATION. THE CUSTOMER REPEATED THE SAMPLE. THE REPEAT NA RESULT WAS 137 MMOL/L ON THE 9180 ELECTROLYTE ANALYZER AND 142 MMOL/L ON THE ELYTE INSTRUMENT. THE NA ELECTRODE LOT NUMBER AND EXPIRATION DATE WERE NOT PROVIDED.

Additional Manufacturer Narrative

THE REFERENCE ELECTRODE WAS INSTALLED (B)(6) 2018. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.