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Haemostasis and thrombosis centre

For patients with bleeding and clotting disorders

Coronavirus: haemostasis and thrombosis centre update

Due to increased demand on the hospital due to the coronavirus (COVID-19) pandemic we are having to make significant changes to our services which may require cancellation of appointments.



We are attempting to contact all patients with a future scheduled appointment. In some cases we are changing appointments to a telephone consultation, and in certain circumstances, a video appointment. In some cases, we may need to reschedule your appointment. Some patients may be discharged back to their GP and we will write to you if this is the case.

If you have not heard from us within three days of your scheduled appointment please contact us by emailing haemophiliaa&

If you are unable to use email or your query is urgent, please call 020 7188 2781. Our phone lines are very busy and there may be a wait for your call to be answered.

If you are an existing patient who has previously been seen in our service and need advice from the clinical team please see below for the appropriate option.

Contact us by email for:

Contact us by telephone on 020 7188 2781:

  • if you need to urgently discuss your clinical condition
  • if you don't have access to email or our website
  • if you leave a message on this number it may be a few days before we are able to respond to your query.

Please visit our frequently asked questions (FAQs) page for further information. If your query is not covered in the FAQs please either email or call us as detailed above.


We are doing everything we can to support GPs and your patients during the coronavirus (COVID-19) pandemic. If you need advice from our clinical team please use the current advice and guidance channels including e-RS Advice and guidance for written communication.

e-RS referrals

We would encourage you to contact our clinical team through advice and guidance before making a referrals. We are vetting all referrals. We will be contacting urgent patients but we are not currently booking routine patients and so there may be a significant delay before seeing your patient. Please consider this before making any referral as our capacity to see new patients is very limited.

Frequently asked questions (FAQs)

Please see our frequently asked questions (FAQs) page for answers to queries we have been receiving from patients.



  • Haemostasis and thrombosis centre
    1st floor, North Wing
    St Thomas' Hospital
    Westminster Bridge Road
    London SE1 7EH

  • North Wing

About the centre

The haemostasis and thrombosis centre is an accredited clinical and laboratory service for people with bleeding and clotting disorders. These patients are referred from within our hospitals, around the UK and internationally. 

As well as specialist laboratory services for thrombotic and haemostatic blood tests, we provide a full genetic diagnosis and information service, including prenatal diagnosis.

The haemostasis and thrombosis centre is part of the South London Adult and Paediatric Haemophilia Network with St Georges and Lewisham Hospital.

The children's services at Guy's and St Thomas' Foundation Trust is based in Evelina London Children's Hospital.

Review patient clinics are provided within the centre including treatment prophylaxis, hepatitis, orthopaedic review, paediatric review, HIV monitoring, treatment and advice. 

The centre is fully accredited

  • Clinical Pathology Accreditation (CPA) (UK) Ltd. since 1994 in molecular genetics, haematology and specific biochemical and immunological analysis 
  • Institute of Biomedical Scientists (IBMS) teaching accreditation for laboratory staff
  • Haemophilia Comprehensive Care Centre certification through regional and national audit by the United Kingdom Haemophilia Centre Doctor's Organisation (UKHCDO).


Please visit the main Trust coronavirus (COVID-19) page for more information.

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