There was an allegation of questionable results from coaguchek inrange meter, serial number (b)(6), compared to a laboratory result using an unknown method.On 29-dec-2023, the meter result was 4.3 inr.The laboratory result within 3 hours was 6.0 inr.On an unknown date, the meter result was 4.3 inr.The laboratory result within 3 hour was 3.0 inr.The patient¿s therapeutic range is 2 -3 inr.
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No product is expected to be returned for investigation.If the product is returned in the future, a follow up report will be submitted.On a regular basis, coaguchek strips of lots currently valid in the market are tested as part of routine retention testing and results have passed the internal inspection.Per product labeling, "coaguchek uses human recombinant thromboplastin.Therefore, the comparability to other human recombinant thromboplastins is best, whereas higher deviations can occur with other thromboplastins.However, those higher differences between thromboplastins of different (rabbit, bovine based) origin are not a coaguchek specific issue.Similar differences can be observed when a human recombinant thromboplastin-based laboratory method is compared against several other (rabbit, bovine-based) laboratory methods.".
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