The customer reported false elevated architect calcium (ca) results for one patient run on two architect analyzers.The customer provided: sid (b)(6) initial = 3.74 mmol/l, repeat = 3.79 mmol/l (normal range: (2.10 to 2.55 mmol/l).Repeats on another analyzer for this same sample: 3.65, 4.66, 3.74, 3.79, 2.53, 2.88, and 2.82 mmol/l.The other values provided from the customer for all results associated with this test were reviewed and none met reportability criteria there was no impact to patient management reported.
|
The evaluation of the customer¿s issue included a search for similar complaints, trending data, labeling, device history records, and historical performance of reagent lot 93249un19.A review of tickets determined that there is normal complaint activity for lot 93249un19.Trending review determined no trend for falsely depressed results for the product.Return testing was not completed as returns were not available.Qc passed at the customer site and results were the same when retested on the instrument.A review of the manufacturing documentation did not identify any issues associated with the customer's observation.A review of the product labeling concluded that the issue is sufficiently addressed.No return sample is available for testing.No file sample testing performed as the complaint data and log analysis show this is a sample specific issue.The sample result has been confirmed by retesting.Based on all available information no systemic issue or product deficiency was identified.
|