Customer reported a discrepancy results for influenza b on aries flu a/b and rsv assay.Aries: influenza b positive.Sample was not repeated on aries.Confirmation testing, (b)(6) public health lab pcr state (multiplex rt pcr): influenza b negative.The patient was admitted due to fever, chills, sob, weakness, hypotension, pneumonia, sepsis.The aries flu b result was released to the physician on (b)(6) 2020 @ 1959.The patient was receiving following the treatments prior to aries result, azithromycin, vancomycin, zosyn; the addition of tamiflu was added after the aries result was released.The sample was not stored before testing on the aries.This patient's sample came to the laboratory from the emergency department and was tested immediately on demand (it was ordered stat).On (b)(6) 2020, sample ran on aries (b)(4) module a position a4 run: ariesk1-run#493-a sample id (b)(6) result: influenza a negative, rsv negative, influenza b positive (ct= 39.4 tm= 78.6).The sample was stored refrigerated prior to testing at (b)(6) public health lab and resulted as a flu b negative.Qc was ran on the aries instrument 9 hours prior on a4 and was successful.Date/time of expiry: (b)(6) 2020 @ 0554, cause of patient death: klebsiella pneumoniae severe sepsis secondary to bilateral pneumonia.
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