The initial reporter stated they received discrepant results for one patient sample tested for chloride on the roche 9180 electrolyte analyzer.Before patient testing, qc was acceptable for level 1 and level 2.The customer's level 3 qc was out of acceptable range.At 14:46, the patient's initial chloride result was 130 mmol/l with a data flag.At 14:48, the patient's repeat chloride result was 106 mmol/l.The chloride electrode lot number was 21500348 with an expiration date requested but not provided.
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