The customer did not supply patient demographics such as age, date of birth or weight.There is no evidence that the access progesterone reagent was returned for evaluation.A beckman coulter (bec) field service engineer (fse) was dispatched to the customer's site.No hardware malfunctions were reported that may have caused, or contributed to this event.There was no evidence to reasonably suggest an analyzer malfunction or reagent/calibrator performance issue.In conclusion, an assignable cause for this event cannot be confirmed with the available information.
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On (b)(6) 2016, the customer reported obtaining a low progesterone (access progesterone) result in association with their access 2 immunoassay system (serial number (b)(4)).The initial access progesterone recovery was below the expected result.This result was released from the laboratory.There was a report of a change to patient treatment which occurred in association with the low access progesterone result obtained on (b)(6) 2016.The patient was administered progesterone medication.No additional change in patient treatment or injury was reported.The same patient's sample was analyzed on an alternate analyzer, unicel dxi 800 access immunoassay system (serial number unknown) and recovered with similar results, below the expected reference range for this patient.A second sample was obtained from the patient on (b)(6) 2016 and was analyzed on a roche instrument and recovered with higher results, within the customer's expectations.The customer did not report issues with other assays.Information on quality control was not provided.No hardware errors, flags or other assay issues were reported in conjunction with this incident.The customer did not supply any information regarding the patient's sample collection and/or the speed, time, and temperature at which the sample was centrifuged.A beckman coulter (bec) field service engineer(fse) was dispatched to evaluate the instrument.
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