On 31-oct-2023, abbott point of care was contacted by a customer regarding i-stat pt/inr cartridges that yielded suspected discrepant inr results a 69 year old male patient.There was no additional information available at the time of this report.Return product is available for investigation.Method date collected tested pt inr sample i-stat, 31-oct-2023, 08:58, 09:00 ni, >6.0 inr finger stick.Stago, 31-oct-2023, 09:23, 09:25, 38.8 3.8 inr, venous/wb.At this time there is no reason to suspect a malfunction exists.The reporting decision was based on limited information available that suggests the product was not performing within the variability of the assay.The investigation is underway.Pt/inr - intended use.The i-stat pt, a prothrombin time test, is useful for monitoring patients receiving oral anticoagulation therapy such as coumadin ® or warfarin.
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