ICD-10-PCS Billable Code

0QCM0ZZ

Extirpation Tarsal, Left to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemQ Lower Bones
OperationC Extirpation
Body PartM Tarsal, Left
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

Extirpation of the lower bones is the removal of solid material that doesn't belong there - a loose bone fragment, a piece of dead bone (sequestrum) left behind by infection, or debris lodged in the bone following trauma. Unlike cutting away living bone tissue, this procedure clears out material that is already separated or non-viable, which is why it's often paired with treating osteomyelitis or cleaning up after a fracture.

Patients typically undergo this when imaging or prior surgery has identified fragments that are causing pain, blocking healing, or perpetuating an infection. Removing the material can relieve symptoms and allow the surrounding bone to heal normally.

Anatomy & Axis Detail

Tarsal, Left

In the left tarsal bones, extirpation clears solid abnormal material such as sequestered bone, infected debris, or foreign matter from the calcaneus, talus, or other midfoot and hindfoot bones. Given the tight articular relationships among the tarsals and their central role in transferring body weight from the leg to the forefoot during walking, even a localized infection can jeopardize multiple adjoining joints if debris is left in place. Surgeons select an approach based on the specific bone affected, often dorsal or medial, and use curettage or mechanical debridement to excavate the material down to healthy bone while protecting cartilage and ligamentous attachments. Because these bones are small and closely interlocked, the extent of clearance is carefully limited, and documentation should confirm the procedure did not involve excising or resecting bone itself.

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

Look for documentation describing removal of a sequestrum, loose body, necrotic bone fragment, or foreign material from within a lower bone. Sequestrectomy for chronic osteomyelitis is a classic example. The material removed should be distinguishable from the bone itself - it's being taken out of the bone, not cut from it. A frequent coding mistake is defaulting to excision whenever a bone procedure is described, without checking whether the surgeon was actually removing a discrete, already-separated fragment versus cutting living bone; the two require different root operations even when performed through the same incision.

Commonly Confused With

ExcisionThe key distinction from Excision is that extirpation removes matter that is not a normal part of the body part - dead or foreign material - while excision cuts a portion of a body part that is still living tissue.
ExtractionExtirpation is also distinct from Extraction, which pulls material out using force rather than simply lifting or removing loose fragments, and from Removal (a different root operation used for devices, not native tissue).