Table 1

Comparing accounts of altruism

Requirement	ODA	Nagel	Blum	Nuffield altruism
Impartiality	Yes (unless one has a relative on a transplant waiting list)	Yes	No	No
Unconditionality	Yes	No (a condition placed for objective reasons could be permitted)	No	No
Prohibits financial elements	Yes	No	No	No
Prohibits any self-interest or reward for donor	No	Yes	No	No

ODA, organ donation altruism.