Dee–
I tried to register as a bone marrow donor and was rejected because of Graves’ Disease. My endocrinologist said that was ridiculous; of course GD does not affect bone marrow, and besides people who need such a transplant are facing worse things (yes, they exist) than GD. I would have thought that they would have been glad to take a blood sample to type me with and then let the potential recipient decide for himself whether he wanted to take the “risk”. It’s hard to find a good match.
Anyway, you might try anyway–I might have gotten a particularly fussy screener. Just don’t be surprised if you are rejected.
Elisa