Test Findings
 

PT/INR Non-Correction with Mixing

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Non-Correction of PT/INR with Mixing

  • If the PT/INR remains elevated despite addition of control plasma, this suggests that there is an inhibitor present in the sample.
    • Causes of PT/INR Non-Correction with Mixing

    • Factor IIa inhibitors (e.g. dabigatran)
    • Excess heparin in the tube
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