inforMED
MalfunctionLTJ

IMMULITE 2000

Received Mar 7, 2014 · Event occurred Jan 23, 2014

Report 2247117-2014-00012 · MDR key 3667918

Device

Generic name

Immunoassay Analyzer

Model number

IMMULITE 2000

Catalog number

30002

Product problems

  • Low Test Results

Patient

Not reported

  • No Consequences Or Impact To Patient

Narrative

Additional Manufacturer Narrative

A SIEMENS CUSTOMER SERVICE ENGINEER (CSE) WAS DISPATCHED TO THE CUSTOMER SITE. THE CSE ANALYZED THE INSTRUMENT AND INSTRUMENT DATA AND PERFORMED A WATER TEST, CHECKED THE SAMPLE AND REAGENT PROBE ALIGNMENT, PROBE DISPENSE, TUBING AND VALVES. THE CSE ALSO CHECKED THE WASH SPINNER CALIBRATION AND THE SUBSTRATE AND WATER DISPENSE. THE CAUSE OF THE DISCORDANT PSA RESULT WAS UNKNOWN. THE CSE SUCCESSFULLY RAN A PRECISION TEST AND QC. THE SYSTEM IS PERFORMING WITHIN SPECIFICATIONS. FURTHER EVALUATION OF THE DEVICE IS NOT REQUIRED.

Description of Event or Problem

A DISCORDANT LOW PROSTATE SPECIFIC ANTIGEN (PSA) RESULT WAS OBTAINED ON ONE PATIENT SAMPLE ON AN IMMULITE 2000 INSTRUMENT. IT WAS UNKNOWN IF THE DISCORDANT PSA RESULT WAS REPORTED TO THE PHYSICIAN. THE SAMPLE WAS REPEATED THREE TIMES ON AN ALTERNATE INSTRUMENT, THAT WERE DILUTIONS AND RESULTED HIGHER. THE THIRD REPEATED PSA RESULT WAS REPORTED TO THE PHYSICIAN. THERE ARE NO REPORTS OF PATIENT INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE DISCORDANT PSA RESULT.