Resection of abdominal aorta with anastomosis or replacement

Total or partial amputation or disarticulation of the upper or lower limbs, including digits

Operation of appendix

Arteriovenostomy for renal dialysis

Excision of bile ducts or operative procedures on the biliary tract, liver or pancreas (does not include operations on gall bladder only)

Excision of lesion or tissue of breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy, or mammoplasty

Procedures on the heart; includes valves or septum; does not include coronary artery bypass graft, surgery on vessels, heart transplantation, or pacemaker implantation

Chest procedure to perform direct revascularization of the heart; includes obtaining suitable vein from donor site for grafting

Chest procedures to perform direct vascularization of the internal mammary (thoracic) artery

Endarterectomy on vessels of head and neck (includes carotid artery and jugular vein)

Cholecystectomy and cholecystotomy

Incision, resection, or anastomosis of the large intestine; includes large-to-small and small-to-large bowel anastomosis; see REC for rectal operations

Excision, repair or exploration of the brain or meninges; does not include taps or punctures

Obstetrical delivery by cesarean section

Immobilization of spinal column

Open reduction of fracture or dislocation of long bones with our without internal or external fixation; does not include placement of joint prosthesis

Incision or excision of stomach; includes subtotal or total gastrectomy; does not include vagotomy and fundoplication

Repair of inguinal, femoral, umbilical, or anterior abdominal wall hernia; does not include repair of diaphragmatic or hiatal hernia or hernias at other body sites

Arthroplasty of hip

Transplantation of heart

Abdominal hysterectomy; includes that by laparoscope

Arthroplasty of knee

Transplantation of kidney

Exploration or decompression of spinal cord through excision or incision into vertebral structures

Transplantation of liver

Major excision or incision of the larynx and radical neck dissection; does not include thyroid and parathyroid operations

Resection or manipulation of the kidney with or without removal of related structures

Operations on ovary and related structures

Insertion, manipulation or replacement of pacemaker

Suprapubic, retropubic, radical, or perineal excision of the prostate; does not include transurethral resection of the prostate

Bypass operations on peripheral arteries and veins

Operations on rectum

Incision or resection of the small intestine; does not include small-to-large bowel anastomosis

Resection or manipulation of spleen

Noncardiac, nonvascular thoracic surgery; includes pneumonectomy and hiatal hernia repair or diaphragmatic hernia repair (except through abdominal approach)

Resection or manipulation of thyroid and/or parathyroid

Vaginal hysterectomy; includes that by laparoscope

Ventricular shunt operations, including revision and removal of shunt

Abdominal operations not involving the gastrointestinal tract or biliary system; includes diaphragmatic hernia repair through abdominal approach