Description of Event or Problem · 1
USER RECEIVING DISCREPANT SODIUM RESULTS ON APPROX 30 PT SAMPLES, EIGHTEEN SPECIFIC RESULTS WERE PROVIDED, SAMPLE 1, INITIAL 131 MMOL/L, REPEAT 137 MMOL/L. SAMPLE 2, INITIAL 129 MMOL/L, REPEAT 139 MMOL/L. SAMPLE 3, INITIAL 123 MMOL/L, REPEAT 130 MMOL/L. SAMPLE 4, INITIAL 124 MMOL/L, REPEAT 134 MMOL/L. SAMPLE 5, INITIAL 133 MMOL/L, REPEAT 142 MMOL/L. SAMPLE 6, INITIAL 128 MMOL/L, REPEAT 137 MMOL/L. SAMPLE 7, INITIAL 132 MMOL/L, REPEAT 141 MMOL/L. SAMPLE 8, INITIAL 129 MMOL/L, REPEAT 138 MMOL/L. SAMPLE 9, INITIAL 131 MMOL/L, REPEAT 141 MMOL/L. SAMPLE 10, INITIAL 130 MMOL/L, REPEAT 140 MMOL/L. SAMPLE 11, INITIAL 131 MMOL/L, REPEAT 140 MMOL/L. SAMPLE 12, INITIAL 131 MMOL/L, REPEAT 139 MMOL/L. SAMPLE 13, INITIAL 129 MMOL/L, REPEAT 138 MMOL/L. SAMPLE 14, INITIAL 129 MMOL/L, REPEAT 138 MMOL/L. SAMPLE 15, INITIAL 127 MMOL/L, REPEAT 137 MMOL/L. SAMPLE 16, INITIAL 129 MMOL/L, REPEAT 138 MMOL/L. SAMPLE 17, INITIAL 128 MMOL/L, REPEAT 138 MMOL/L. SAMPLE 18, INITIAL 131 MMOL/L, REPEAT 140 MMOL/L. ERRONEOUS RESULTS WERE REPORTED. INFO WAS NOT PROVIDED TO DETERMINE IF PTS WERE ADVERSELY AFFECTED . THE FIELD SVC REP DETERMINED THE ISE APPLICATIONS HAD BEEN CALIBRATED WITH AN OLD CALIBRATOR. HE RECALIBRATED THE ASSAY WITH FRESH CALIBRATIONS. PERFORMANCE TESTS WERE PERFORMED.