0ULF8ZZ
Occlusion Cul-de-sac to No Qualifier with No Device, Via Natural or Artificial Opening Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | U Female Reproductive System |
| Operation | L Occlusion |
| Body Part | F Cul-de-sac |
| Approach | 8 Via Natural or Artificial Opening Endoscopic |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Completely closing an orifice or the lumen of a tubular body part
Procedure Overview
Occlusion procedures close off a female reproductive structure completely, most often the fallopian tubes for permanent sterilization. A surgeon may apply clips or rings, place a band, tie and cut the tube, or use energy to seal it shut, all with the goal of preventing an egg and sperm from meeting. The same root operation also covers occluding other structures, such as blocking abnormal blood vessels feeding fibroids or sealing off a vaginal segment for specific reconstructive reasons.
Most people encounter this family of procedures as tubal ligation, a decision usually made after childbearing is complete or when pregnancy would pose a health risk. It can be performed on its own through small laparoscopic incisions, immediately after a vaginal delivery, or alongside a cesarean section while the abdomen is already open. Because the tubes are fully closed rather than partially altered, the procedure is intended to be permanent, though reversal is sometimes attempted later with variable success.
Anatomy & Axis Detail
Cul-de-sac
Occlusion of the cul-de-sac refers to surgical obliteration of the peritoneal pouch of Douglas, a procedure such as the Moschcowitz repair performed to prevent or treat enterocele and posterior compartment prolapse by closing off the deep peritoneal recess where small bowel can herniate. Rather than blocking a tubular passage, this procedure involves placing purse-string or interrupted sutures to narrow and close the potential space itself, effectively eliminating the pouch as a site where pelvic organs or bowel loops can descend. It is typically performed alongside other pelvic floor reconstructive procedures rather than in isolation, and documentation should reflect that the cul-de-sac's peritoneal space, not a duct or vessel, is the structure being closed off.
Approach: Via Natural or Artificial Opening Endoscopic
Via Natural or Artificial Opening Endoscopic describes instrumentation introduced through a natural orifice or a surgically created opening while using an endoscope for visualization, as in a routine colonoscopy performed through the anus. It differs from the plain Via Natural or Artificial Opening value by the added scope, and from Percutaneous Endoscopic by using an existing passage rather than a new skin puncture.
Coding & Documentation
Coders assign an Occlusion code when documentation confirms the target lumen or orifice was closed in its entirety, not merely narrowed or reduced. The operative report should name the device used - clips, rings, bands, or ligature - and the specific tube or vessel addressed, since this drives both the approach and device value in the code. A frequent mix-up is choosing Occlusion when the physician actually removed a segment of tube along with tying off the ends; if a portion of the structure is taken out, Excision or Resection better reflects the work performed, and the coder should look for wording like "segment removed" versus "tube ligated and left in place." Bilateral procedures also require attention, since both tubes typically need to be reflected in the code selection.
Commonly Confused With
This family is easily confused with Excision when a tubal segment is cut out as part of the sterilization technique, and with Restriction, which narrows rather than fully closes a lumen. Occlusion for sterilization can also be confused with Occlusion of a fibroid's blood supply during uterine artery embolization; the body part value distinguishes a reproductive tube from a vessel, so the coder must confirm exactly what structure was closed. Reviewing whether the procedure was meant to be permanent and complete, versus partial or temporary, helps separate Occlusion from these neighboring root operations.
