0FR70KZ
Replacement Hepatic Duct, Common to No Qualifier with Nonautologous Tissue Substitute, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | F Hepatobiliary System and Pancreas |
| Operation | R Replacement |
| Body Part | 7 Hepatic Duct, Common |
| Approach | 0 Open |
| Device | K Nonautologous Tissue Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part
Procedure Overview
Replacement procedures in this body system involve putting in biological or synthetic material that physically takes over for hepatobiliary or pancreatic tissue that has been removed or has failed. This is less common here than in joints or vessels, but it appears in cases such as reconstructing a resected segment of common bile duct with a synthetic conduit, or substituting a portion of the biliary tree with harvested tissue when the native duct cannot be repaired or reconnected directly.
The goal is to restore the physical pathway or structural function that the original tissue provided, most often maintaining bile flow from the liver to the intestine after injury, tumor removal, or failed prior surgery. Because these are structurally significant reconstructions, they're typically performed as part of a larger operation rather than as standalone procedures.
Anatomy & Axis Detail
Hepatic Duct, Common
The common hepatic duct lies at the confluence of the right and left hepatic ducts and is a frequent target of surgical reconstruction after resection for hilar cholangiocarcinoma, benign strictures, or extensive iatrogenic injury sustained during cholecystectomy. Replacement coding applies specifically when this duct segment is excised and substituted with graft material to reestablish a bile conduit, a less common approach than the more typical hepaticojejunostomy, which reroutes bile flow into a loop of small bowel instead of replacing the duct itself. Because this anatomic region is where injuries are most often identified and reconstructed, careful review of the operative note is needed to determine whether the procedure performed truly meets the definition of replacement rather than bypass or repair.
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: Nonautologous Tissue Substitute
Nonautologous Tissue Substitute refers to biologic material sourced from a donor or another species, such as an allograft or xenograft, used to replace a body part. It differs from Autologous Tissue Substitute by tissue origin outside the patient's own body, and from Synthetic Substitute by being biologic rather than manufactured material.
Coding & Documentation
Coders should look for explicit documentation that a graft, conduit, or other material was used to physically stand in for tissue that was excised or was not repairable in place. The operative report needs to state what was removed, what material replaced it, and where it was anastomosed. A common mistake is coding Replacement when the surgeon actually reconstructed continuity using the patient's own repositioned tissue, such as a Roux-en-Y hepaticojejunostomy, which is typically coded differently since bowel is being connected rather than biliary tissue being replaced. Confirming the material type (autograft, synthetic, or nonautologous) also matters for accurate device character assignment.