07WKXDZ
Revision Thoracic Duct to No Qualifier with Intraluminal Device, External Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 7 Lymphatic and Hemic Systems |
| Operation | W Revision |
| Body Part | K Thoracic Duct |
| Approach | X External |
| Device | D Intraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
Procedure Overview
Revision procedures address a device that was previously placed in the lymphatic and hemic system and is no longer working as intended or has moved out of position, and the surgeon corrects the problem without fully removing and replacing the device. In practice this arises with implanted devices used to manage lymphatic complications, such as a clip or mechanical closure device placed around the thoracic duct that has slipped, loosened, or otherwise failed to control a chyle leak as originally intended. Repositioning or adjusting that device to restore its function falls into this family.
Because implanted lymphatic devices are uncommon compared to those used elsewhere in the body, this family is used less frequently than Revision families in other body systems, but the clinical logic is the same: correct what exists rather than start over.
Anatomy & Axis Detail
Thoracic Duct
The thoracic duct is the body's principal lymphatic channel, running from the cisterna chyli through the posterior mediastinum to empty into the venous system near the left subclavian-jugular junction, and it is prone to injury, leakage, or stricture after thoracic surgery or trauma. Revision procedures address a previously placed device or construct within or around the duct, such as repositioning or repairing an embolization coil, plug, or surgical ligation clip that has migrated, failed to control chyle flow, or caused an unintended obstruction. Because the duct's course and caliber vary considerably between patients and its wall is thin and easily torn, revision is usually undertaken with fluoroscopic or lymphangiographic guidance, and the coder should verify whether the correction is percutaneous or requires an open mediastinal approach.
Approach: External
External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.
Device: Intraluminal Device
Intraluminal Device denotes a single device, such as a stent or occlusion device, positioned within the lumen of a tubular body part like a vessel, duct, or airway to maintain patency or occlude flow. It carries no drug coating or radioactivity, distinguishing it from the drug-eluting, radioactive, and bioactive intraluminal device values, and from Extraluminal Device, which sits outside rather than inside the lumen.
Coding & Documentation
A coder should confirm the note describes fixing or repositioning a device that was already in place, rather than removing it entirely and inserting a new one. Documentation needs to identify both the device being revised and the specific problem being corrected, such as displacement or malfunction. The most common error is coding Removal followed by a fresh insertion when the surgeon actually adjusted the existing device in place, which should be captured as a single Revision instead.