Newcastle Laboratories

Rivaroxaban Assay

Clinical Background:

This assay is used to monitor the plasma concentration of the oral direct Anti-Xa inhibitor Rivaroxaban (Xarelto). It is an Anti-Xa assay using specific calibrators

This assay is used to monitor the plasma concentration of the oral direct Anti-Xa inhibitor Rivaroxaban (Xarelto). It is an Anti-Xa assay using specific calibrators

Test Details

  • Discipline:

    Haemostasis

    Haemostasis

  • Specimen Container Adult:

    Light blue - sodium citrate

    Light blue - sodium citrate

  • Specimen Container Paediatric:

    Light blue - sodium citrate

    Light blue - sodium citrate

  • Minimum Volume Adult:

    2.7mL

    2.7mL

  • Minimum Volume Paediatric:

    1.3 ml

    1.3 ml

  • Special Requirement:

    Tube must be correctly filled to line, to ensure correct ratio of blood to anticoagulant, ensure adequate mixing.

    Tube must be correctly filled to line, to ensure correct ratio of blood to anticoagulant, ensure adequate mixing.

  • Sample Stability:

    2 hrs

    2 hrs

  • Transport Requirements:

    Samples should be transported to lab without delay

    Samples should be transported to lab without delay

  • Freq Analysis:

    On request

    On request

  • Add On Test:

  • Quality Assurance:

    UK NEQAS Blood Coagulation

    UK NEQAS Blood Coagulation

  • Reference Ranges:

    Therapeutic levels are dependent on dose and reason for anticoagulation, please discuss with Haematologist. Further information is available in the 2014 BCSH guidelines. Measurement of non-Coumarin...

    Therapeutic levels are dependent on dose and reason for anticoagulation, please discuss with Haematologist. Further information is available in the 2014 BCSH guidelines. Measurement of non-Coumarin anticoagulants and their effects on tests of Haemostasis

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  • Routine Contact Name:

    RVI or Freeman Section Leaders

  • Routine Telephone:

    RVI: 0191 2820332, Freeman: 0191 2231195

    RVI: 0191 2820332, Freeman: 0191 2231195

  • Specialist Test:

    Yes

    Yes

  • Specialist Contact Name:

    Haematology and Haemostasis Healthcare Scientist

    Haematology and Haemostasis Healthcare Scientist

  • Specialist Telephone:

    0191 2139758

    0191 2139758

  • Specialist Email:

    alison.brown93@nhs.net

    alison.brown93@nhs.net

Availability:

All times, both sites

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