0FLC4ZZ
Occlusion Ampulla of Vater to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | F Hepatobiliary System and Pancreas |
| Operation | L Occlusion |
| Body Part | C Ampulla of Vater |
| 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
Occlusion procedures in this body system close off a duct, vessel, or opening within the liver, gallbladder, bile ducts, or pancreas so that fluid can no longer pass through it. This is most often performed on a bile duct or pancreatic duct that is leaking, diseased, or being deliberately sealed to redirect flow elsewhere, and less commonly on a blood vessel supplying these organs to stop bleeding or cut off circulation to a tumor.
Clinicians use this approach when a duct has been injured, is fistulizing to another structure, or needs to be sacrificed as part of a larger surgical plan, such as closing a stump left after partial removal of an organ. It may also be used to block blood flow into a tumor before resection, reducing bleeding risk during the main procedure.
The underlying idea is that the tubular structure remains anatomically in place but its lumen is deliberately shut, using clips, ligatures, embolic material, or a similar technique, rather than being cut out or repaired to restore normal function.
Anatomy & Axis Detail
Ampulla of Vater
The ampulla of Vater is the shared outlet where the common bile duct and pancreatic duct converge before opening into the duodenum, and occluding it is a highly specific intervention rather than a routine step, generally reserved for controlling a refractory leak or bleeding at this junction when other measures have failed. Because the ampulla also functions as the site of the sphincter of Oddi, closing it off has direct implications for both biliary and pancreatic outflow simultaneously, distinguishing it from occlusion of either duct alone. Endoscopic access via ERCP is the usual route given the ampulla's location within the duodenal wall, and documentation should clarify that flow through the papilla itself, not just one of the converging ducts, was the target of the procedure.
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
Coders should look for explicit documentation that a duct or vessel was ligated, clipped, coiled, embolized, or otherwise closed off completely, and confirm which specific structure and approach was used, since embolization performed percutaneously through interventional radiology is coded differently in device and approach values than a duct tied off during open surgery. The device value must reflect whether an extraluminal device such as a clip or ligature, or an intraluminal device such as a coil, was left in place.
A frequent error is confusing partial narrowing or compression of a duct with true occlusion, when the intent and result must be complete closure of the lumen. Another common mistake is coding Occlusion when the vessel or duct was actually cut and its ends tied off as an incidental part of a different procedure, such as division during a resection, in which case the occlusion is not coded separately.