inforMED
MalfunctionDHB

IMMULITE 2000

Received Jun 9, 2015 · Event occurred May 15, 2015

Report 2247117-2015-00034 · MDR key 4828356

Device

Generic name

Immulite 2000

Model number

IMMULITE 2000

Catalog number

30002

Product problems

  • High Test Results

Patient

Not reported

  • No Known Impact Or Consequence To Patient

Narrative

Description of Event or Problem

DISCORDANT, FALSELY ELEVATED 3GALLERGY SPECIFIC IGE RESULTS WERE OBTAINED ON MULTIPLE PATIENT SAMPLES ON AN IMMULITE 2000 INSTRUMENT. THE DISCORDANT RESULTS WERE NOT REPORTED TO THE PHYSICIAN(S). AFTER TROUBLESHOOTING, THE SAMPLES WERE REPEATED ON THE SAME INSTRUMENT, RESULTING LOWER. THE REPEAT RESULTS WERE REPORTED TO THE PHYSICIAN(S). THERE ARE NO KNOWN REPORTS OF PATIENT INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE DISCORDANT 3GALLERGY SPECIFIC IGE RESULTS.

Additional Manufacturer Narrative

A SIEMENS CUSTOMER SERVICE ENGINEER (CSE) SPECIALIST WAS DISPATCHED TO THE CUSTOMER SITE. AFTER EVALUATING THE INSTRUMENT, THE CSE REPLACED DIRTY INLINE FILTERS AND CLEANED THE WATER BOTTLE. THE CSE MADE NEW PROBE WASH AND PERFORMED A SYSTEM DECONTAMINATION. THE CSE RAN A WATER TEST AND QUALITY CONTROLS, WHICH WERE WITHIN ACCEPTABLE RANGES. THE CAUSE OF THE DISCORDANT, FALSELY ELEVATED 3GALLERGY SPECIFIC IGE RESULTS ON MULTIPLE PATIENT SAMPLES IS UNKNOWN. THE INSTRUMENT IS PERFORMING ACCORDING TO SPECIFICATIONS. NO FURTHER EVALUATION OF THE DEVICE IS REQUIRED.