| | Conditions & Treatments | Blood Disorders What blood type can donate to any type? The universal donor blood type is O negative. People with O negative blood type can donate blood to anyone, regardless of their blood type. Blood Disorders - Related Articles What is more dangerous a thrombus or embolism? Drugs to Treat Blood Clots Can mono cause low white blood count? Myelodysplastic Syndrome Treatment Options Diet for Low White Blood Count What would happen if blood was water? How do you test someone how that has sickle cell anemia?