ICD-10-PCS Billable Code

01CL4ZZ

Extirpation Thoracic Sympathetic Nerve to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System1 Peripheral Nervous System
OperationC Extirpation
Body PartL Thoracic Sympathetic Nerve
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

This family applies when a surgeon removes solid abnormal material from in or around a peripheral nerve without cutting out any of the nerve tissue itself. Typical examples include removing a calcified deposit compressing a nerve, extracting a foreign body such as glass or metal fragments lodged near a nerve after an injury, or clearing organized clot or scar debris that formed around a nerve following trauma or prior surgery.

The purpose is to eliminate something that does not belong in the body and is interfering with nerve function, rather than to treat the nerve tissue itself. Because the material removed is often the direct cause of nerve compression or irritation, patients may notice improvement in pain or sensation once it is taken out.

Anatomy & Axis Detail

Thoracic Sympathetic Nerve

The thoracic sympathetic chain runs along the vertebral bodies within the thoracic cavity, contributing fibers that regulate sweating and vascular tone in the upper extremities and thoracic viscera. Extirpation at this level generally removes a discrete mass, such as a ganglioneuroma or metastatic deposit, pressing on or invading the sympathetic trunk, which is distinct from a sympathectomy performed to interrupt nerve conduction for conditions like hyperhidrosis. Because the chain lies close to the pleura, intercostal vessels, and vertebral column, video-assisted thoracoscopic approaches are commonly used to access this deep paraspinal location while minimizing chest wall trauma. The specific thoracic level involved should be documented, as it correlates with the distribution of autonomic symptoms observed.

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.

Coding & Documentation

Assignment depends on clear documentation that the material removed was abnormal and separate from the nerve itself, such as a foreign object, thrombus, or non-biological debris, rather than a piece of the nerve or a growth arising from it. The operative note should describe what was found and removed, and whether it required cutting through tissue to reach it (which does not change the root operation, since the objective is still removal of solid matter). A common mistake is using Extirpation when a cyst or tumor arising from the nerve was actually excised, since tumor tissue that is part of the body part belongs under Excision, not Extirpation. Coders should also check whether imaging findings match the operative description of the material removed.

Commonly Confused With

ExcisionExtirpation is most often confused with Excision, and the distinguishing question is whether the material removed was a normal part of the nerve altered by disease (Excision) or something abnormal that does not belong there at all, like a clot or foreign body (Extirpation).
DrainageIt also overlaps conceptually with Drainage, but Drainage removes liquid or gas while Extirpation removes solid matter, so a hematoma that is still liquid blood is Drainage, while an organized, solid clot is Extirpation.