The customer observed multiple falsely elevated total bilirubin results while using clinical chemistry total bilirubin reagents.The following data was provided.Patient 1 ((b)(6)) initial 11.94 mg/dl, other methods were lower including siemens (7.55 mg/dl) and cobas/roche (7.2 mg/dl).Patient 2 ((b)(6)) initial 23.85 mg/dl, other methods were lower including siemens (10.74 mg/dl) and cobas/roche (10.3 mg/dl).Patient 3 ((b)(6)) initial 23.41 mg/dl, other methods were lower including siemens (12.01 mg/dl) and cobas/roche (11.8 mg/dl).No impact to patient management was reported.
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Evaluation of the customer issue included a complaint text review, a search for similar complaints, device history review, and labeling review.No adverse trend was identified for the customer issue.Device history review did not identify any issues that may have caused the customer issue.Labeling was reviewed and found to be adequate.A proficiency data review (college of american pathologists, cap) was completed.Review of participant summaries showed abbott method was well aligned in the recovery of the cap educational sample which has a reference method value (gold standard).Siemens advia method recovered higher than other siemens methods (dimension and dimension vista).Siemens methods (dimension and dimension vista) were comparable to abbott and roche methods.No unusual abbott method reagent performance was identified.Based on all available information and abbott diagnostics evaluation, no systemic issue was identified and no product deficiency was found.
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