ICD-10-PCS Billable Code

07V43CZ

Restriction Lymphatic, Left Upper Extremity to No Qualifier with Extraluminal Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System7 Lymphatic and Hemic Systems
OperationV Restriction
Body Part4 Lymphatic, Left Upper Extremity
Approach3 Percutaneous
DeviceC Extraluminal Device
QualifierZ 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 Upper Extremity

Lymphatic vessels of the left upper extremity return fluid from the left hand and arm into the central lymphatic system, and disruption of this network is a known complication of left-sided breast cancer surgery, port placement, or penetrating injury. When a channel becomes a persistent source of leakage or forms a lymphocele, restriction is used to narrow its lumen without excising the vessel, typically through clip ligation at open surgery or catheter-directed embolization guided by lymphangiography. The left arm's lymphatic pathways run close to superficial veins and nerves, so precise localization of the culprit channel matters for both procedural safety and accurate coding of the approach. Coders should confirm whether the intervention targeted a single named channel versus a diffuse leak, since the latter may better fit a different root operation.

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.

Commonly Confused With

OcclusionOcclusion is the closest family and is distinguished purely by completeness: full closure of the duct is Occlusion, partial narrowing that leaves some flow is Restriction.
RepairRepair is used instead when the duct wall itself is being sutured closed after a tear without the intent to narrow the lumen for flow control, which is a different clinical goal than restricting chyle leakage.