The customer observed falsely elevated alinity c carbon dioxide results for multiple samples.Quality controls were within range in the morning and results were being release.Quality controls were repeated after results were questioned by the physician and they were out of range.The following example data was provided: sid (b)(6) initial reported result = 49 mmol/l, repeat with new reagent = 25 mmol/l, repeat on ortho vitros = 25 mmol/.The customer¿s di water resistivity was out of specifications and the customer is contacting the di water vendor.No impact to patient management was reported.
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