0DL74ZZ
Occlusion Stomach, Pylorus to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | D Gastrointestinal System |
| Operation | L Occlusion |
| Body Part | 7 Stomach, Pylorus |
| Approach | 4 Percutaneous 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
This family covers procedures that completely close off an opening or the internal channel of a digestive organ, most often the esophagus, stomach, small intestine, large intestine, or rectum. Rather than removing tissue, the surgeon blocks the passage using sutures, clips, an occluding device, or a band, so nothing can pass through that point. It is used in situations like tying off a leaking segment of bowel that cannot be safely repaired yet, closing off a diverticulum, banding esophageal varices to stop bleeding, or occluding a fistula tract so it stops draining abnormally.
This differs from removing the diseased segment entirely - occlusion is often a temporizing or targeted measure rather than definitive treatment, though in some cases, such as band ligation of hemorrhoids or varices, it is the definitive therapy itself. Patients may encounter it during an emergency operation to control bleeding or contamination, or as a planned outpatient endoscopic procedure to manage varices or a fistula.
Anatomy & Axis Detail
Stomach, Pylorus
The pylorus is the muscular sphincter channel connecting the stomach to the duodenum, and occluding it involves fully closing off this outlet rather than removing or altering it. This is uncommon as an isolated procedure but appears in the context of gastric exclusion techniques, where the pyloric channel is stapled shut to divert flow while leaving the tissue in place, sometimes as part of a bypass revision or in managing a chronic gastric leak by isolating the distal stomach. Because the pylorus normally regulates gastric emptying, complete occlusion has significant downstream effects on digestion and is typically staged or reversible depending on the clinical goal. Documentation should distinguish this closure from resection or restriction procedures that narrow rather than fully block the lumen.
Approach: Percutaneous Endoscopic
Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.
Coding & Documentation
A coder should look for documentation stating that a body part or lumen was completely closed, tied off, clipped, banded, or otherwise fully occluded, with no residual opening left at that site - if the note describes narrowing or partial closure, Restriction is the more appropriate root operation, not Occlusion. Clear identification of the exact anatomic segment closed (e.g., a specific loop of small bowel versus the rectum) and the device or method used, such as clips, bands, or a vascular plug repurposed for a GI application, supports correct code assignment. A common error is coding Occlusion when the physician actually performed a full transection and closure of both ends as part of a resection, which is captured under Excision or Resection language instead; Occlusion applies specifically when the segment itself is left in place but sealed off. Documentation should also make clear whether the occlusion is temporary (for staged control) or intended as definitive management, since this affects whether a follow-up procedure should be anticipated in the record.
Commonly Confused With
Occlusion is easily confused with Restriction, since both narrow a passage - the distinguishing factor is completeness: Restriction only partially narrows the lumen (as with a band placed for weight-loss surgery that leaves a reduced opening), while Occlusion closes it entirely. It also overlaps conceptually with Ligation-type language used for vascular bleeding control, though in the gastrointestinal system the correct terminology and code both fall under Occlusion when a GI lumen or orifice, rather than a blood vessel, is the target.