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Factor XIII (val34leu)


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check_circle1 test included
schedule19 day turnaround   info
invert_colors Venous blood sample    info

Factor XIII (val34leu)

About this test

Factor XIII is a protein needed for forming stable fibrin clots and for wounds to heal.

Factor XIII stabilises blood clots by cross-linking the web of fibrin molecules.

Without factor XIII, a fibrin clot forms normally but soon breaks down and bleeding starts again. This cycle of clot formation and bleeding may be repeated for weeks and months. As a result, unusual scars can form.

Factor XIII deficiency means you have less than the normal amount of factor XIII in your blood. Factor XIII is also known as fibrin stabilisation factor.

Factor XIII Deficiency is also known as:


  • Fibrin Stabilizing Factor Deficiency
  • Fibrinase Deficiency
  • Fibrinoligase Deficiency
  • Laki-Lorand Factor Deficiency
  • Plasma Transglutaminase Deficiency



  • How it works

    Collect Sample

    We send you an easy-to-use kit to collect your blood sample.

    Post Sample

    Post your sample to our lab in the prepaid envelope provided.

    View Results

    View results securely in your own personal dashboard.

    Important Information

    Our tests are not a substitute for seeing your doctor, especially if you are suffering symptoms. Our doctors will interpret your results based on the information you have provided, but will not diagnose, consult or provide any treatment. You will be advised to see your doctor for any necessary follow-up action.

    Laboratory appointment in London

    Your Blood sample will be analysed at our chosen laboratory based in the heart of London's medical district. You can be assured of fast, accurate results from the UK's largest independent provider of clinical diagnostic tests

    Private laboratory analysis

    Your blood sample will be analysed at one of our chosen laboratories. You can be assured of fast, accurate results from one of our accredited independent providers of clinical diagnostic tests.

    Interpretation of results

    Our medical team will comment on out-of-range blood test results and give you follow-up advice where necessary. If you need it, a PDF copy of your Factor XIII (val34leu) test results can be downloaded for your doctor.

    Secure online account with

    Once you have placed your order you will receive login details to where you can manage your account, track your orders and view your Factor XIII (val34leu) test results.

    Health and Lifestyle tracker

    Stay motivated by filling in your online health and lifestyle questionnaire and seeing how improvements in your lifestyle can influence your test results. Your medical and family history gives us vital information when interpreting your results.

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