I am a Certified Tissue Bank Specialist, and although many diseases of unknown origin preclude donation, since Graves is not “life threatening” and considered to be treatable, most donation programs accept Graves patients. I work in a skin bank, and it is not considered a problem for us. Honestly, I might argue that it is not worth risking Graves for any reason, (I haven’t found it to be easily treatable!) but there has never been a documented case of anyone contracting it from donated tissue. Then again, I don’t think anyone has ever looked at that. As others have mentioned, each program has its own standards, but Graves is not a universally accepted preclusion.