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Test Findings

PT/INR Non-Correction with Mixing

June 27th, 2019

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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