According to the complaint, the customer reported about deviation on k during blood sample measurement on an abl800 on two different patients.No patient was harmed, injured, or maltreated hence no adverse event.Calibration as well as qc showed no problem at all.Patient 1 (female, (b)(6)): sample (b)(4); (b)(6) 2021; 05:17 a.M.; k=11,3 mmol/l value does not match with patient's status.Comparison measurement at customer's lab showed a plausible value k= 3,9 mmol/l.Patient 2 (female, (b)(6)): sample (b)(4); (b)(6) 2021; 07:25 a.M.; k=7,4 mmol/l value does not match with patient's status.Comparison measurement at customer's lab showed a plausible value k= 4,25 mmol/l.
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