Y83: Surgical operation and other surgical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

Y83.2: Surgical operation with anastomosis, bypass or graft

Surgical operation with anastomosis, bypass or graft refers to a medical procedure where two body parts, often tissues or blood vessels, are joined together. This is often done to allow blood or other fluid to flow from one part of the body to another, bypassing an area of disease or damage. Anastomosis is literally creating a connection between two hollow or tubular structures. A bypass procedure typically reroutes the flow of blood or other body fluids around a blocked or damaged area. A graft involves the transplantation of tissues. These surgical procedures could be required due to a variety of conditions such as cardiovascular diseases, gastrointestinal diseases, or certain types of cancer. It's important to note that individuals may experience different symptoms post-operatively depending on the specific type and location of the surgery. These could range from pain and discomfort at the surgical site to changes in body functions, which are part of recovery.