The customer observed falsely elevated calcium results on alinity c processing module for one patient.The results provided were: on (b)(6) 2020 sid (b)(6) initial calcium on alinity (b)(4) =15.2 mg/dl/repeated=10.1 mg/dl, 10.5 mg/dl, 10.4 mg/dl.Repeated on alinity (b)(4) =12.7 mg/dl /repeated on alinity (b)(4) =9.8 mg/dl, 10.2 mg/dl, 9.9 mg/dl.The precision data provided for troubleshooting purpose and not used for patient management.There was no reported impact to patient management.
|
A review of tickets found three similar complaint for alinity c calcium lot 38349un20, but no trends were identified for falsely elevated results or by the product list number.Return testing was not completed as returns were not available.Retesting of samples gave expected results on the same and another instrument at customer site.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.Based on the investigation no product deficiency was identified for the alinity c calcium reagent, lot 38349un20.
|