07V23CZ
Restriction Lymphatic, Left Neck to No Qualifier with Extraluminal Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 7 Lymphatic and Hemic Systems |
| Operation | V Restriction |
| Body Part | 2 Lymphatic, Left Neck |
| Approach | 3 Percutaneous |
| 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 this body system narrow a duct or vessel without closing it off completely, and the primary clinical use is managing chylous leaks from the thoracic duct or its tributaries. When lymphatic fluid rich in fat is leaking into the chest or abdomen after surgery or trauma, a surgeon can place a clip or suture around the duct to partially constrict it, slowing or stopping the leak while preserving some flow so the lymphatic system is not completely obstructed. This approach is used when a full ligation is not desired or when a partial narrowing is judged sufficient to control the leak.
For the patient, controlling a chylous leak matters because ongoing loss of lymphatic fluid can lead to malnutrition, immune compromise, and prolonged hospitalization, so timely narrowing of the leaking channel is an important part of recovery after chest or abdominal surgery.
Anatomy & Axis Detail
Lymphatic, Left Neck
Lymphatic vessels of the left neck carry drainage from the head, face, and deep cervical tissues and converge near the junction of the left subclavian and internal jugular veins, where the thoracic duct itself terminates, making this region especially prone to significant chyle leaks after left-sided neck dissection, thyroid, or parathyroid surgery. Restriction here means ligating or clipping the culprit lymphatic channel to halt an active leak or control abnormal flow, a targeted maneuver rather than removal of surrounding tissue. Given the proximity of the thoracic duct terminus, vagus nerve, and great vessels on this side, accurate documentation of the left neck location is important to distinguish this procedure from restriction performed on the right.
Approach: Percutaneous
Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.
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
Coders assign this family when documentation describes narrowing the thoracic duct or another lymphatic channel with a clip, band, or suture without fully occluding it, typically to control a chyle leak. The key documentation detail is the word describing the degree of closure; if the note states the duct was completely ligated or tied off, that points to Occlusion instead. A common mistake is coding Restriction by default for any duct ligation procedure without confirming from the operative report whether the closure was partial or complete.