The customer stated that they received questionable results for an unspecified number of patient samples tested for ck creatine kinase (ck) and gluc3 glucose hk (glu) on a cobas 6000 c (501) module - c501.The customer stated that the issue occurred when the reagent packs were nearly empty.The customer provided data for one patient sample with an erroneous glu result.The erroneous result was not reported outside of the laboratory.The sample initially resulted with a glu value of < 20 mg/dl.The reagent pack was replaced and after this, the sample was repeated, resulting with a value that was expected.No adverse events were alleged to have occurred with the patient.The c501 analyzer serial number was asked for, but not provided.The issue was resolved after replacement of the reagent pack.The investigation was unable to find a definitive root cause.
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