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Patient 1
USER RECEIVED QUESTIONABLE TOTAL BILIRUBIN RESULTS ON TWO DIFFERENT SAMPLES OBTAINED FROM THE SAME NEWBORN BABY, ON THE INTEGRA 800 (I800) ANALYZER. THE FIRST SAMPLE WAS ORIGINALLY RUN ON THE COBAS 6000 (C501) ANALYZER. THE INITIAL BILIRUBIN RESULT GAVE 20 MG/DL ON THE C501 ANALYZER. THIS RESULT WAS ACCOMPANIED BY A DATA FLAG AND WAS REPORTED OUTSIDE THE LABORATORY. THE DOCTOR CALLED THE LABORATORY AND QUESTIONED THE RESULT. THE SAMPLE WAS REPEATED ON THIS I800 ANALYZER GIVING 12.7 MG/DL. THIS RESULT WAS ACCOMPANIED BY A DATA FLAG AND WAS REPORTED OUTSIDE THE LABORATORY. THE SAMPLE WAS ADDITIONALLY REPEATED ON THE C501 ANALYZER GIVING 16.1 MG/DL. THIS RESULT WAS ACCOMPANIED BY A DATA FLAG. A SECOND SAMPLE WAS OBTAINED FROM THE SAME NEWBORN BABY AND WAS INITIALLY TESTED ON THIS I800 ANALYZER GIVING A TOTAL BILIRUBIN RESULT OF 12.6 MG/DL. THE SAMPLE WAS REPEATED AGAIN ON THIS ANALYZER GIVING 12.4 MG/DL. THE SAMPLE WAS ADDITIONALLY REPEATED ON THE C501 ANALYZER GIVING 15.8 MG/DL. BOTH REPEAT RESULTS WERE ACCOMPANIED BY DATA FLAGS. USER WAS NOT SURE WHICH TOTAL BILIRUBIN RESULTS WERE THE CORRECT RESULTS. THE USER SAID THE NEWBORN BABY WAS TREATED WITH "BILI LIGHTS" BUT DID NOT BELIEVE THIS HAD AN ADVERSE AFFECT. USER HAD NOT BEEN INFORMED OF ANY ADVERSE AFFECT TO THE NEWBORN BABY. TOTAL BILIRUBIN REAGENT LOT WAS 625727. THE FIELD SERVICE REPRESENTATIVE DID NOT DETERMINE A CAUSE. HE CHECKED INSTRUMENT FUNCTION AND RAN QUALITY CONTROL. CUSTOMER RAN PRECISION USING THE SAME SAMPLE MATERIAL ON BOTH THE I800 AND C501 ANALYZERS.