Stem Cells

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Need Help or want to give your feedback?

Whether you’re having trouble with your account, or would like to make a suggestion, Canadian Blood Services offers you quick and convenient options to troubleshoot or get in touch. Contact us via live chat, consult our FAQ, send an email, or give us a call at 1 888 2 DONATE (1-888-236-6283).

How Do I Register?

Thank You For Making the Decision to Register for OneMatch

Joining the OneMatch Stem Cell and Marrow Network is simple. If you’re between the ages of 17 and 35 and in good general health, you’re eligible to sign up. You can start the registration process here.

Join OneMatch Today

IMPORTANT: If you previously registered with the Unrelated Bone Marrow Donor Registry (UBMDR), you are already a part of OneMatch and do not need to register again! If your personal information has changed or there has been a change in the status of your health, please call 1 888 2 DONATE (1-888-236-6283).

Seven easy steps to register

Review and acknowledge the OneMatch Information for New Registrants

Take a basic Knowledge Test about stem cells and stem cell donation

Set up a personal profile on and click Register now to become a stem cell donor

Complete the online Health Assessment Questionnaire (PDF)

If there are no further questions, you will be sent a buccal swab kit in the mail. (The kit is used to swab the insides of your mouth to collect your DNA sample.)

The final steps are:

Complete the swabbing kit per the instructions provided

Return the buccal swab kit in the postage-paid envelope

You will be notified when you are officially part of OneMatch. The next call you get could be to help save a life like Aiden who at the age of 5 was diagnosed with Acute Leukemia.

We also offer registration forms in these other languages:

  • OneMatch information in Spanish
  • OneMatch information in Simplified Chinese
  • OneMatch information in Traditional Chinese
  • OneMatch information in Vietnamese
  • OneMatch information in Farsi

Keep us in the loop

It’s important to keep us informed about any changes to your personal information or health. You can log into your account and update your profile anytime or give us a call.

Having trouble registering?

If you’re unable to register online for any reason, call 1 888 2 DONATE (1-888-236-6283) or email to have a registration package mailed to you.

Do you live in Quebec?

Quebec residents interested in becoming stem cell donors should register with Héma-Québec, which operates independently of the OneMatch Stem Cell and Marrow Network. You can get more information about Héma-Québec on its website.