| Mechanical Wound |
| Delayed wound healing, 998.83 |
| Postoperative hematoma, 998.12 |
| Postoperative seroma (non-infected), 998.13 |
| Disruption of operative wound, 998.3Persistent postoperative fistula, 998.6 |
| Infectious |
| Postoperative infection, 998.5 |
| Postoperative skin abscess, 998.59 |
| Postoperative septic wound complications, 998.59 |
| Postoperative skin infection, 998.59 |
| Postoperative intraabdominal abscess, 998.59 |
| Postoperative subdiaphragmatic abscess, 998.59 |
| Postoperative infected seroma, 998.51 |
| Cardiovascular |
| Postoperative stroke, 997.02 |
| Phlebitis or thrombophlebitis from procedure, 997.2 |
| Cardiac arrest/insufficiency during or resulting from a procedure, 997.1 |
| Thromboembolic |
| Postoperative deep venous thrombosis, 997.79 |
| Postoperative pulmonary embolism, 415.11 |
| Pulmonary |
| Postoperative atelectasis, 997.3 |
| Postoperative pneumonia, 997.3 |
| Postoperative acute respiratory insufficiency, 518.5 |
| Postoperative acute pneumothorax, 512.1 |
| Adult respiratory distress syndrome, 518.5 |
| Postoperative pulmonary edema, 518.4 |
| Gastrointestinal tract |
| Postoperative small-bowel obstruction, 997.4 |
| Postoperative ileus, 997.4 |
| Postoperative ileus requiring nasogastric tube, 997.4 |
| Postoperative nausea, 997.4 |
| Postoperative vomiting, 997.4 |
| Postoperative pancreatitis, 997.4 |
| Complication of anastomosis of gastrointestinal tract, 997.4 |
| Urinary |
| Postoperative urinary retention, 997.5 |
| Postoperative urinary tract infection, 997.5 |
| Intraoperative |
| Accidental puncture or laceration, complicating surgery, 998.2 |
| Foreign body accidentally left during procedure, 998.4 |
| Hemorrhage/bleeding complicating procedure, 998.11 |