What is organic disease? is a non-organic always psychological?would autonomic dysfunction or orthostatic intolerance be an example of a non-organic?

Organ related: organic means the pain is related to one of the organs in the body. Functional abdominal pain, is an example of a pain that is felt in the abdomen but not related to a disease occurring in a particular organ. It is a real pain, experienced by the person, but no disease. So Organic means- disease related causing pain in the organ.