inforMED
MalfunctionCIX

ALBUMIN BCG METHOD

Received Jun 29, 2011 · Event occurred Jun 16, 2011

Report 1823260-2011-03505 · MDR key 2143296

Device

Generic name

Bromcresol Green Dye-binding, Albumin

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

11929640216

Lot number

63632101

Product problems

  • Low Test Results

Patient

Not reported

  • No Consequences Or Impact To Patient

Narrative

Description of Event or Problem

THE USER RECEIVED QUESTIONABLE ALBUMIN RESULTS FROM THE ANALYTICAL D MODULE ANALYZER SERIAL NUMBER (B)(4) THAT WERE DISCOVERED WHEN THEY WERE COMPARED TO THE PATIENT'S PREVIOUS RESULTS. THE USER STATED THEY HAD TO CORRECT RESULTS FOR ABOUT 20 PATIENT SAMPLES. HOWEVER, SPECIFIC DATA WAS PROVIDED FOR ONLY ONE PATIENT SAMPLE. THE INITIAL RESULT WAS 2.1 G/DL AND WAS REPORTED OUTSIDE THE LABORATORY. THE REPEAT RESULT WAS 3.5 G/DL. THE PATIENTS WERE NOT ADVERSELY AFFECTED. THE ALBUMIN R2 REAGENT LOT NUMBER WAS 63700201. UPON EVALUATION OF THE ANALYZER, THE FIELD SERVICE REPRESENTATIVE FOUND A PARTIALLY CLOTTED SAMPLE PROBE AND STYLETTED ALL FOUR SAMPLE PROBES. TO VERIFY THE ANALYZER OPERATION, HE PERFORMED PRECISION CHECKS WITH ALL RESULTS WITHIN SPECIFICATIONS.