Description of Event or Problem · 1
THE CUSTOMER STATED THAT THEY RECEIVED ERRONEOUS RESULTS FOR ONE PATIENT SAMPLE TESTED FOR GLUC3 GLUCOSE HK GEN.3 AND A SECOND PATIENT SAMPLE TESTED FOR ALB2 ALBUMIN GEN.2 ON A COBAS 8000 C (701) MODULE. THE ERRONEOUS RESULTS WERE NOT REPORTED OUTSIDE OF THE LABORATORY. AN ALIQUOT CUP OF THE FIRST SAMPLE INITIALLY RESULTED WITH A GLUC3 VALUE OF 17 MG/DL. THE SAME ALIQUOT CUP WAS REPEATED ON A SECOND C 701 ANALYZER, RESULTING AS 92 MG/DL. A NEW ALIQUOT WAS MADE FROM THE PARENT TUBE AND TESTED ON THE SECOND C 701 ANALYZER, RESULTING AS 92 MG/DL. AN ALIQUOT CUP OF THE SECOND SAMPLE INITIALLY RESULTED WITH AN ALB2 VALUE OF 5.7 G/DL ON (B)(6) 2018. THE SAME ALIQUOT CUP WAS REPEATED ON A SECOND C 701 ANALYZER, RESULTING AS 4.2 G/DL. A NEW ALIQUOT WAS MADE FROM THE PARENT TUBE AND TESTED ON THE SECOND C 701 ANALYZER, RESULTING AS 4.2 G/DL. THE PATIENTS WERE NOT ADVERSELY AFFECTED. THE GLUC3 REAGENT LOT NUMBER WAS 30265201, WITH AN EXPIRATION DATE OF 31-MAR-2019. THE ALB2 REAGENT LOT NUMBER WAS 33647301, WITH AN EXPIRATION DATE OF 31-JUL-2019. THE CUSTOMER INSPECTED THE C 701 ANALYZER AND SUSPECTED THAT THERE WAS AN ISSUE WITH THE CELL RINSE UNIT. THE FIELD SERVICE ENGINEER DETERMINED THAT THERE WAS A DRIP IN THE DETERGENT DISPENSE AND ADJUSTED THE INCOMING PRESSURE. HE RAN PRECISION STUDIES AND ALL CHECKS PASSED. BASED ON A REVIEW OF WORLDWIDE DATA OF QC RECOVERY FOR THE REAGENT/CALIBRATOR LOT COMBINATION USED BY THE CUSTOMER, NO REAGENT ISSUE WAS FOUND. INVESTIGATIONS HAVE DETERMINED THAT THE ISSUE WAS RESOLVED BY THE SERVICE ACTIONS.