0FV70CZ
Restriction Hepatic Duct, Common to No Qualifier with Extraluminal Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | F Hepatobiliary System and Pancreas |
| Operation | V Restriction |
| Body Part | 7 Hepatic Duct, Common |
| Approach | 0 Open |
| Device | C Extraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Partially closing an orifice or the lumen of a tubular body part
Procedure Overview
Restriction procedures in the hepatobiliary system and pancreas narrow a duct or opening without fully closing it off, using a band, clip, suture, or similar means to reduce the diameter of a bile duct, the pancreatic duct, or the sphincter of Oddi. Surgeons use this approach to control a bile leak, manage a fistula, or slow flow through a duct that is dilating abnormally, while still leaving a passage for bile or pancreatic secretions to drain.
Because the liver, gallbladder, and pancreas share ducts that all feed into the same digestive pathway, restricting one segment can protect a healing surgical site downstream or upstream, or reduce reflux of bile into the pancreatic duct. It is typically done during a larger operation, such as after an injury to the bile duct or a leak following gallbladder removal, rather than as a standalone elective procedure.
Anatomy & Axis Detail
Hepatic Duct, Common
The common hepatic duct forms from the union of the right and left hepatic ducts and continues until the cystic duct joins it to become the common bile duct, making it a key conduit whose diameter can become pathologically enlarged after chronic obstruction, prior surgical bypass, or reconstruction. Restriction of the common hepatic duct involves narrowing this segment, often with a band or similar device, to correct redundancy or reduce reflux at a hepaticojejunostomy without removing any ductal tissue. Its location within the porta hepatis, adjacent to the hepatic artery and portal vein, makes precise restriction important to avoid compromising bile flow from both hepatic lobes, and documentation should reflect the segment treated and the device applied.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Device: Extraluminal Device
Extraluminal Device describes a device positioned on the outside surface of a tubular or hollow body part rather than within its lumen, such as a vascular banding or external stabilization device. It is the structural counterpart to Intraluminal Device, distinguished by its external placement relative to the vessel or duct wall rather than sitting inside the passageway itself.
Coding & Documentation
The coder needs an operative note stating that a duct or orifice was narrowed, banded, ligated with partial patency preserved, or clipped to reduce lumen size - full occlusion instead belongs under Occlusion, and the two are the most common mix-up in this family. Documentation should specify the exact structure treated (common bile duct, cystic duct stump, pancreatic duct, sphincter of Oddi) since each maps to a different body part value.
A frequent error is coding Restriction when the surgeon actually placed a stent to hold a duct open, which is Dilation with a device, not Restriction. Coders should also confirm whether the approach was open, percutaneous, or via endoscope, since ERCP-based interventions are common in this family and drive the approach character.