ICD-10-PCS Billable Code

01D40ZZ

Extraction Ulnar Nerve to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System1 Peripheral Nervous System
OperationD Extraction
Body Part4 Ulnar Nerve
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Pulling or stripping out or off all or a portion of a body part by the use of force

Procedure Overview

This family covers the forcible pulling or stripping of all or part of a peripheral nerve, most commonly seen in procedures like nerve stripping for certain chronic pain conditions or the mechanical avulsion of a nerve segment. It is a less common operation in this body system than in others, since peripheral nerves are usually cut or dissected free rather than pulled out under force.

When it is performed, the intent is typically to eliminate a nerve's function entirely by physically removing it through traction rather than sharp dissection, often for a nerve that is already damaged beyond repair or is the source of persistent, difficult-to-treat pain.

Anatomy & Axis Detail

Ulnar Nerve

The ulnar nerve travels along the medial arm, behind the medial epicondyle at the elbow, and into the forearm and hand, where it governs intrinsic hand muscles and sensation over the little finger. Extraction of this nerve involves physically removing foreign material, such as a retained needle fragment, wire, or bone chip, that has become lodged along its course, commonly following trauma or a prior surgical procedure in the region. The nerve's superficial and exposed position at the cubital tunnel makes it particularly vulnerable to penetrating injury and subsequent embedded debris, and retrieval there demands care to avoid worsening ulnar neuropathy symptoms like hand weakness or numbness. Precise documentation of the forearm or elbow location helps distinguish this from a more proximal brachial plexus procedure.

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.

Coding & Documentation

This code is used only when the documentation specifically describes force, such as pulling or stripping, being used to remove the nerve or a portion of it, rather than a scalpel or cautery cutting it free. Because this method is uncommon for peripheral nerves, coders should read the operative note carefully to confirm the technique actually matches Extraction and was not simply described loosely by the surgeon when a standard excision was performed. Vein stripping terminology from vascular procedures is sometimes mistakenly carried over to nerve cases, leading to incorrect code selection when the actual technique was sharp dissection.

Commonly Confused With

ExcisionExtraction is easily confused with Excision, and the deciding factor is technique: Excision uses cutting instruments to remove a defined portion of the nerve, while Extraction relies on pulling force.
DetachmentIt can also be confused with Detachment when an entire limb segment is being removed, since Detachment applies specifically to cutting off an extremity rather than removing a nerve by force.