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Why does organ donation require legal consent or authorization?

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Kidney transplant — transplant British surgeon Andrew Ready flushing a donated kidney during a transplant at Queen Elizabeth Hospital, Birmingham, England, 2006.

Organ donation requires legal consent or authorization because it is a highly regulated medical practice that involves complex ethical, legal, and social considerations regarding the procurement of human organs. Establishing clear consent ensures that the process respects the autonomy and final wishes of the individual.12

In many jurisdictions, individuals can provide explicit consent by registering as an organ donor, often indicated on personal identification documents like a driver’s license. When an individual has not provided such documentation, organ procurement representatives are legally required to seek authorization from the next of kin.1

The legal framework for this consent varies by region. For example, while some areas operate under a system where family members may still dissent even if the deceased expressed a desire to donate, other regions have moved toward laws that prevent relatives from overriding a donor's documented decision. These regulations are essential to maintain public trust in the medical system and to prevent the exploitation of donors, ensuring that the act of donation remains a voluntary and ethical "gift of life".2