The complaint investigation for hdl test results that were mismatched with ldh results included a review of data and information provided by the customer, search for similar complaints, ticket trending review, and labeling review.A review of labeling and historical data was done, and both were adequate, with no trends found.The investigation indicated that the unexpected behavior of the middleware was due to an incorrect configuration of the test-channel association in the analyzer section performed during the system installation and configuration phase.The inconsistency of test results between the middleware and the abbott instruments was due to a misconfiguration of the hdl assay code that was configured using the ldh assay code instead.Based on all available information and abbott diagnostics' complaint investigation, no systemic issue or product deficiency of aliniq ams middleware, version 2.12, was identified.H6 medical device problem code updated from a20 to a11.
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