ICD-10-PCS Billable Code

0FL88ZZ

Occlusion Cystic Duct to No Qualifier with No Device, Via Natural or Artificial Opening Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemF Hepatobiliary System and Pancreas
OperationL Occlusion
Body Part8 Cystic Duct
Approach8 Via Natural or Artificial Opening Endoscopic
DeviceZ No Device
QualifierZ 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

Cystic Duct

The cystic duct connects the gallbladder to the common bile duct and is the structure most familiarly occluded during cholecystectomy, where it is clipped or ligated to prevent bile leakage and control the cystic artery pedicle before the gallbladder is separated from the liver bed. Occlusion of the cystic duct independent of gallbladder removal is less common but may be performed to manage a leak from a retained cystic duct stump or to close off a duct during a staged procedure. Its short length and variable insertion point into the common bile duct, sometimes running parallel to it for some distance, make correct identification essential, and operative documentation should be checked to ensure the closure was intentional and not simply a step within a broader cholecystectomy.

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 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.

Commonly Confused With

RestrictionThis root operation is easily confused with Restriction, which only partially narrows a lumen rather than closing it completely, and with Ligation performed as an inherent step of Excision or Resection, which is not coded on its own.
DestructionIt also differs from Destruction, since Occlusion physically blocks flow with a device or suture material rather than eradicating tissue with energy or chemicals.