05P03MZ
Removal Azygos Vein to No Qualifier with Neurostimulator Lead, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 5 Upper Veins |
| Operation | P Removal |
| Body Part | 0 Azygos Vein |
| Approach | 3 Percutaneous |
| Device | M Neurostimulator Lead |
| Qualifier | Z No Qualifier |
Operation Definition
Taking out or off a device from a body part
Procedure Overview
Removal procedures take out a device that was previously placed in an upper vein - a central catheter, port, PICC line, or similar hardware - without putting a replacement device in during the same procedure. This is the counterpart to earlier device placement, performed once a catheter or port is no longer needed, has become infected, has malfunctioned, or has reached the end of its planned use.
A clinician performs this procedure when treatment requiring the device is complete, such as finishing a course of chemotherapy or long-term antibiotics, or sooner if complications like infection, clot formation around the catheter, or mechanical failure make continued use unsafe. Removal can be a simple bedside procedure for some catheters or may require a brief surgical approach for tunneled catheters or implanted ports anchored under the skin.
Patients should understand this procedure is specifically about taking the device out; if a new device is placed at the same time to replace it, that placement is captured separately as its own procedure.
Anatomy & Axis Detail
Azygos Vein
The azygos vein ascends along the right side of the vertebral column within the posterior mediastinum, draining the posterior intercostal veins and ultimately emptying into the superior vena cava, and it serves as an important collateral pathway when normal caval or portal venous return is obstructed. Removal in this body part refers to taking out a previously placed device, such as an embolization coil, occluder, or catheter fragment, from within the vessel, rather than excising venous tissue. Access is typically achieved via a percutaneous transvenous approach given the vein's deep thoracic location adjacent to the esophagus and thoracic duct. Documentation should identify the specific device retrieved and confirm that no vein wall tissue was excised during the procedure.
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: Neurostimulator Lead
Neurostimulator Lead refers to the wire electrode placed in or near neural tissue to deliver electrical impulses from an implanted or external neurostimulator, as used in deep brain or peripheral nerve stimulation. It is distinguished from a Stimulator Lead, which is used for non-neural stimulation targets such as bone growth, and from cardiac leads, which pace or defibrillate cardiac tissue rather than nervous tissue.
Coding & Documentation
Coders should confirm the documentation describes the device being taken out with nothing replacing it in the same operative episode - if a new catheter or port goes in during the same encounter, that is typically captured as a Removal combined with an Insertion, or handled through the Revision root operation depending on what exactly changed. The vein where the device originally sat, and the type of device removed, should both be clear in the note.
A common error is coding a simple bedside catheter pull, such as a non-tunneled central line removed by nursing staff without surgical intervention, when that action may not meet criteria for a separately reportable procedure depending on the setting and payer rules. Coders also sometimes misassign the body part when a tunneled catheter's exit site is in the chest wall but the catheter tip terminates centrally - the vein of origin governs the code, not the skin exit point.