ICD-10-PCS Billable Code

0NCT3ZZ

Extirpation Mandible, Right to No Qualifier with No Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemN Head and Facial Bones
OperationC Extirpation
Body PartT Mandible, Right
Approach3 Percutaneous
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

Extirpation procedures take solid matter out of a skull or facial bone, most often a bone fragment, foreign object, sequestrum from infection, or blood clot that has hardened within the bone. Unlike removing a lesion that is part of the bone's own structure, extirpation clears out material that does not belong there or that has become detached from the surrounding living tissue. This is a frequent step after facial trauma, when bullet fragments, glass, or shattered bone pieces must be removed before the area can heal or be reconstructed.

Another common scenario is chronic osteomyelitis of the jaw or skull, where dead bone (sequestrum) forms and must be physically removed for infection to resolve, since antibiotics alone cannot penetrate non-living bone. Extirpation is also used when a previously placed surgical material, such as old wire, cement, or a bone chip left from an earlier procedure, needs to be taken out. The goal throughout is removal of matter that is loose, dead, or foreign, leaving the surrounding living bone in place.

Anatomy & Axis Detail

Mandible, Right

The right mandible forms the lower jaw and houses the roots of the lower teeth, and extirpation here removes solid abnormal material such as sequestered bone from osteomyelitis, necrotic tissue from osteoradionecrosis, or bone fragments and foreign debris following a jaw fracture. Because the mandible bears significant functional load during chewing and speech, and the inferior alveolar nerve runs through its body, careful localization of the abnormal material is needed to avoid unnecessary disruption of adjacent healthy bone or nerve structures. The approach is often intraoral, though external incisions are used for more extensive disease. Coding should reflect that only abnormal material, not viable bone, was removed, keeping this distinct from mandibular resection performed for tumor or extensive infection.

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.

Coding & Documentation

Coders rely on operative language specifying that solid, abnormal material, such as a sequestrum, foreign body, or thrombus, was physically removed from within or on the surface of the bone. Documentation should make clear that the material was not a normal component of the bone being excised for disease, since that distinction separates Extirpation from Excision. A common error is coding routine debridement of a fracture site as Extirpation when the surgeon actually excised devitalized bone edges as part of preparing for fixation, which may instead fall under Excision or Repair depending on intent and extent. Coders should also verify the approach used to reach the material, since the same extirpation can be performed open or percutaneously, and the qualifier reflects that.

Commonly Confused With

DrainageExtirpation is most often confused with Drainage, and the test is the physical state of what was removed, fluid or gas points to Drainage, while solid matter such as a bone chip or clot points to Extirpation.
RemovalIt also overlaps with Removal, which applies specifically to taking out a device that was previously placed, such as hardware or an implant, rather than natural or foreign solid matter that was never an intended device.