body integrity dysphoria body integrity dysphoria body integrity dysphoria (bid), also referred to as body integrity identity disorder (biid), amputee identity disorder or xenomelia, and formerly called apotemnophilia, is a mental disorder characterized by a desire to have a sensory or physical disability or feeling discomfort with being able-bodied, beginning in early adolescence and resulting in harmful consequences. bid appears to be related to somatoparaphrenia. people with this condition may refer to themselves as transabled. "self-amputation" redirects here.