About Bone Marrow Donation

As a blood donor, you already provide a vital service to patients who need blood, and by registering with the British Bone Marrow Registry you could help people even further.

The register

We will confirm we have received your sample and once you have been approved to become a stem cell donor your details and tissue type will be put onto the BBMR confidential computerised register.

We will keep a sample of your DNA for up to 30 years in case of further, more detailed tissue typing, to confirm a match for a patient. Your details will be held in compliance with the Data Protection Act and your sample will not be used for any other tests, nor will your DNA be shared with any other organisation.

Your details remain on the register until your 60th birthday. If at any stage you no longer qualify to give blood, please inform the BBMR as you may need to be taken off the register.

You can ask for your name to be removed from the BBMR at any time. Please tell us if you change your personal details either when you attend a blood donation session or directly by calling the donor helpline on 0300 123 23 23.

Donors from ethnic communities

Some tissue types are more common in certain ethnic groups of the population, meaning that a patient is more likely to be matched with a donor from a similar ethnic background. This also increases the chances of a successful transplant. The UK population is made up of people from many different ethnic communities. This wide range of tissue types may help to find potential stem cell donors for new patients who need transplants, both here in the UK and overseas. You are especially needed as a stem cell donor if you are from an African, African-Caribbean, Asian, Chinese, Jewish, Eastern European or Mediterranean community.


For further enquiries or questions

Call 0300 123 23 23

Become a blood donor


To find out more click here

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