Only a few hand transplants (from one person to another) have been done and very less have been successful. If function in the hand has been affected, your surgeon will advise you the best way to manage that and transplantation surgery is not considered mostly.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.