ICD-10-PCS Billable Code

07V50DZ

Restriction Lymphatic, Right Axillary to No Qualifier with Intraluminal Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System7 Lymphatic and Hemic Systems
OperationV Restriction
Body Part5 Lymphatic, Right Axillary
Approach0 Open
DeviceD Intraluminal 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, Right Axillary

The right axillary lymphatics encompass the nodal chains and connecting vessels beneath the right arm that filter fluid from the breast, chest wall, and upper limb, and they are frequently disturbed during axillary lymph node dissection or sentinel node biopsy for breast cancer. A postoperative seroma or chylous leak in this region may be treated by restricting the responsible lymphatic channel, narrowing it with a clip, suture, or sclerosing/embolic agent to stop outflow while preserving the surrounding tissue. Because the axilla contains a dense mesh of collateral channels, preprocedural lymphangiography or intraoperative dye mapping is often used to isolate the specific vessel responsible for the leak. Coding should reflect whether the procedure addressed a discrete named channel in this region rather than the axillary nodes themselves, which would fall under a different body part.

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: 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

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.