Leukolab | Help Science. Earn Money. Give Blood.
Welcome Back!

Nice to see you again!

Welcome back! Please use the form below to let us know that you are interested in more donations. Be sure to use the same contact information that you provided to us previously to ensure that we can correctly find your record.

*This form is for current donors only. If you are new to LeukoLab and are interested in becoming a donor, please fill out our New Donor Screening Form.

Date of Birth

What are you interested in donating?

Please select at least 2 timeslots you are generally available for appointments.

Or, if your schedule varies, please only select “Varied Schedule”.


Most of our collections are in the morning. If you are unavailable on any weekday mornings, please fill out the questionnaire when you have more availability.