What sort of disorder is an elbow injury or disorder?

Elbow disorder. A variety of elbow disorders can exist and range from congenital to acquired (vascular, infectious, autoimmune, metabolic, inflammatory, neoplastic, degenerative, environmental, idiopathic). Treatment is based on determining the etiology.
Elbow disorder. Any problem that affects the feel and function of the elbow joint. The job of the elbow is to place the hand into space where it can perform a specific task. If the elbow doesn't function well, the entire extremity doesn't function well.