ICD-10-PCS Billable Code

01C94ZZ

Extirpation Lumbar Plexus 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 Part9 Lumbar Plexus
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

Lumbar Plexus

The lumbar plexus forms within the psoas muscle from the ventral rami of the upper lumbar spinal nerves, giving rise to branches such as the femoral and obturator nerves that supply the anterior and medial thigh. Its deep retroperitoneal location means extirpation procedures usually follow imaging that identifies a mass, hematoma, or infectious collection compressing the plexus within or adjacent to the psoas. Because the plexus sits near major vascular structures and the kidney, surgical access often requires a retroperitoneal approach with careful attention to preserving the individual nerve trunks that have not yet separated into their peripheral branches. Symptoms prompting this procedure often include diffuse thigh weakness or sensory loss rather than a single-nerve pattern.

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.