The independent London-based China Tribunal said the appointment of Jiang Duan to the UNHRC Consultative Group risks "complicity" with Beijing's human rights abuses.
The independent tribunal heard evidence from medical experts, investigative journalists, human rights activists and members of the persecuted Falun Gong group.
Previous reports have said that illicit organ dealers in Egypt prey on undocumented African migrants by using prostitutes.
At a Vatican summit, the former deputy health minister said some violation of the law on taking organs from executed prisoners was likely.
U.S. lawmakers want to put an end to the decades-old practice, but doing so will require shifting the society's attitude toward altruistic giving.
An official Chinese site advertises transplant organs:$130,000 for a liver and $170,000 for a lung.
The violent extremist group may be trafficking in body parts.
Iraqi officials have discovered bodies with missing kidneys, which they say were harvested by the terrorist group.