On (b)(6) 2023, abbott point of care was contacted by a customer regarding i-stat pt/inr cartridges that yielded suspected discrepant inr results a 78 year old female patient with a history of deep vein thrombosis and pulmonary embolism.There was no additional patient information available at the time of this report.Return product is available for investigation.Method date collected tested inr sample i-stat: (b)(6) 2023, 02:52, 02:52, 3.7, whole blood- a.Stago: (b)(6) 2023, 03:32, ni, 2.5, plasma- b.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.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.
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