Join the donor registry

Your blood stem cell donation could be someone’s cure to defeat blood cancer or disease.

Learn more about donation

Brooke, a blood stem cell donor, smiling during her donation

Brooke, blood stem cell donor

90%

of donations are non-surgical, similar to donating plasma.

Every 3–4 min

someone in the U.S. is diagnosed with a blood cancer.

75%

of patients don't have a fully matched donor in their family.

Start your registration

It’s easy and takes 10 minutes or less.

Research shows cells from younger donors give patients their best chance at surviving long term. Before you begin, here’s what joining means.

Joining is not a promise to donate, and most members are never called. Risks and side effects

Step 1 of 7

Check your eligibility

Registry members must be 18–40 and live in the U.S. or Puerto Rico.

How old are you?

You can’t join the registry right now, but there are other ways to help. You can give financially, volunteer, or share this page with friends aged 18–40.

Where do you live?

Step 2 of 7

Contact information

If you match a patient, we need to reach you quickly.

First name Last name Date of birth Email Mobile phone Preferred language

Step 3 of 7

Mailing address

We’ll mail your free cheek swab kit here. Return postage is included.

Street address Apt, suite, etc. (optional) City State ZIP code

Step 4 of 7

About you

Tissue types are inherited, so patients most often match donors with similar ancestry. Your answers are confidential and used only for matching.

Sex assigned at birth

Race and ethnicity (select all that apply)

Step 5 of 7

Health history

These questions protect you and the patient. If you answer yes to any of them, you won’t be able to join the registry.

Yes No

Sorry, you’re not eligible to join the registry

Thank you for wanting to help. Based on your answer, donating wouldn’t be safe for you or the patient. There are still other ways you can make a difference. You can give financially, volunteer, or share this page with friends aged 18–40.

Step 6 of 7

Your commitment

In plain language, here’s what you’re agreeing to.

Step 7 of 7

Review and submit

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You can update your information or leave the registry at any time.

Thank you, {{ firstOrFriend }}. You’re almost on the registry.

Your swab kit ships in 1–2 business days. Swab, mail it back, and we’ll email you when you’re officially listed.