inforMED
MalfunctionMZV

DIMENSION EXL WITH LM

Received Nov 18, 2014 · Event occurred Oct 24, 2014

Report 1226181-2014-00589 · MDR key 4259255

Device

Generic name

Clinical Chemistry Analyzer

Product problems

  • High Test Results

Patient

Not reported

  • No Known Impact Or Consequence To Patient

Narrative

Additional Manufacturer Narrative

THE CUSTOMER CONTACTED THE SIEMENS CUSTOMER CARE CENTER (CCC). THE CUSTOMER STATED TO CCC THAT CONTROLS WERE WITHIN RANGE AND NO ERRORS OCCURRED AT THE TIME OF EVENT. THE CAUSE OF THE DISCORDANT, FALSELY ELEVATED K RESULT IS UNKNOWN, AS THE SAMPLE RESULTED AS EXPECTED UPON REPEAT TESTING ON THE SAME INSTRUMENT. THE INSTRUMENT IS PERFORMING ACCORDING TO SPECIFICATIONS. NO FURTHER EVALUATION OF THE DEVICE IS REQUIRED.

Description of Event or Problem

A DISCORDANT, FALSELY ELEVATED POTASSIUM (K) RESULT WAS OBTAINED ON ONE PATIENT SAMPLE ON A DIMENSION EXL WITH LM INSTRUMENT. THE DISCORDANT RESULT WAS NOT REPORTED TO THE PHYSICIAN(S). THE SAMPLE WAS REPEATED ON THE SAME INSTRUMENT, RESULTING LOWER. IT IS UNKNOWN IF THE CORRECTED RESULT WAS REPORTED TO THE PHYSICIAN(S). THERE ARE NO REPORTS OF PATIENT INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE DISCORDANT, FALSELY ELEVATED K RESULT.