An individual who volunteers to donate to an unknown recipient. A non-directed altruistic donor can either donate into the paired/pooled scheme to create a “chain” of transplants or donate anonymously to a patient on the national transplant list to create a single transplant.
NHS. (n.d.). Non-directed altruistic donation. Retrieved from: http://www.organdonation.nhs.uk/how_to_become_a_donor/living_donation/national_living_donor_kidney_sharing_scheme/non-directed_altruitic_donation/