| 0DNM0ZZ | Release Descending Colon, Open Approach |
| 0DNM4ZZ | Release Descending Colon, Percutaneous Endoscopic Approach |
| 0DNM7ZZ | Release Descending Colon, Via Natural or Artificial Opening |
| 0DNM8ZZ | Release Descending Colon, Via Natural or Artificial Opening Endoscopic |
