ICD-10-PCS Billable Code

079540Z

Drainage Lymphatic, Right Axillary to No Qualifier with Drainage Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System7 Lymphatic and Hemic Systems
Operation9 Drainage
Body Part5 Lymphatic, Right Axillary
Approach4 Percutaneous Endoscopic
Device0 Drainage Device
QualifierZ No Qualifier

Operation Definition

Taking or letting out fluids and/or gases from a body part

Procedure Overview

Drainage procedures remove excess fluid that has accumulated in a lymphatic or hemic structure, such as a lymphocele, seroma, or enlarged lymph node collection. This is commonly done with a needle or catheter to relieve pressure, discomfort, or the risk of infection, and can be a one-time aspiration or managed with a temporary drain left in place over several days.

These procedures are frequently needed after other surgeries, particularly cancer operations involving lymph node removal, where disrupted lymphatic channels can leak fluid into surrounding tissue. Draining the collection helps the area heal and prevents the fluid from putting pressure on nearby structures.

In some cases, fluid drained this way is also sent for laboratory analysis to check for infection or malignancy, which does not change the nature of the procedure itself.

Anatomy & Axis Detail

Lymphatic, Right Axillary

The axillary lymphatic basin on the right side is a dense cluster of nodes situated in the armpit that filters lymph from the ipsilateral breast, chest wall, and upper limb, making it a frequent site of infection, reactive swelling, or postoperative fluid collection, particularly after breast or axillary surgery. Drainage of this region is commonly performed to address a seroma or abscess that develops in the surgical bed following node dissection or biopsy, and is distinct from formal node excision procedures classified as other root operations. Given the proximity of the axillary vessels and brachial plexus, drains are often placed under direct visualization or image guidance to avoid these structures. Right axillary drainage findings frequently correlate with a documented history of ipsilateral breast pathology or recent axillary instrumentation.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

Device: Drainage Device

Drainage Device denotes a device such as a tube or catheter left in place to remove fluid, blood, or air from a body part or cavity following a procedure. It is distinguished from Monitoring Device, which senses and records physiologic data rather than evacuating substances from the body.

Coding & Documentation

This code family applies when documentation describes taking fluid out of a lymphatic or hemic body part without removing any solid tissue. The approach, whether percutaneous needle aspiration or an open procedure, and whether a drainage device is left behind, both affect the correct code selection.

The most common mixup arises when a lymph node biopsy is performed by needle aspiration purely to obtain fluid or cells for diagnosis; this is coded as Drainage with a diagnostic qualifier rather than Excision, since no solid tissue sample is taken. Coders should also verify whether a drain was left in place, since that detail affects the device value reported.

Commonly Confused With

ExcisionDrainage is most often confused with Excision when a lymph node is sampled, the distinction being whether a fluid specimen or a tissue specimen was obtained.
ExtirpationIt also overlaps with Extirpation when a clotted or solidified collection is removed rather than free-flowing fluid, since that involves taking out solid matter rather than draining liquid.