Understand blood types from A to O, including positive and negative. Learn how blood type is determined and why matching matters for patients who need transfusions.
Impact Stories
Hope shows up in people. Explore firsthand stories of lifesaving blood, organ, and tissue gifts, including videos that honor the strength of patients and the generosity of donors.
Blood Donation FAQs
Have questions about donating blood? Explore Versiti FAQs on eligibility, safety, the donation process, and how to prepare, so you can feel confident before your appointment.
VersiPASS
Use VersiPASS to answer your donor questionnaire from the comfort of your home, the day of your appointment.