| 0DNK0ZZ | Release Ascending Colon, Open Approach |
| 0DNK4ZZ | Release Ascending Colon, Percutaneous Endoscopic Approach |
| 0DNK7ZZ | Release Ascending Colon, Via Natural or Artificial Opening |
| 0DNK8ZZ | Release Ascending Colon, Via Natural or Artificial Opening Endoscopic |
