Description of Event or Problem · 1
(B)(6), 2014 CUSTOMER TESTED APPROXIMATELY 100 SPECIMENS FOR VARIOUS IMMUNOS ASSAYS ON THE TOSOH AIA-2000. IT WAS NOTED THAT MANY OF THE VITAMIN D SPECIMENS HAD RESULTS <4.0 NG/ML. THREE SPECIMENS REPEATED AND RESULTS WERE NORMAL. ALL QC WITHIN RANGE. PRETREATMENT OPENED (B)(6), 2014. RUN WAS NOT VERIFIED AND NO RESULTS WERE SENT OUT. (B)(6), 2014 VITAMIN D WAS RECALIBRATED AND THE SAME PRETREATMENT WAS USED. SIX SPECIMENS HAD VITAMIN D RESULTS THAT WERE <4.0 NG/ML AND THE RESULTS WERE SENT. (B)(6), 2014 TOSOH BIOSCIENCE, INC. NOTIFIED OF ERRONEOUS VITAMIN D RESULTS THAT HAD BEEN REPORTED BY THE CUSTOMER. (B)(6), 2014 SIX SPECIMENS REPORTED AS <4.0 NG/ML ON (B)(6), 2014 WERE REPEATED, RESULTS WERE NORMAL, AND CORRECTED REPORTS WERE ISSUED. ROOT CAUSE: PRETREATMENT USED BEYOND STATED ROOM TEMPERATURE STABILITY TIME FRAME.