ICD-10-PCS Billable Code

0MCP0ZZ

Extirpation Knee Bursa and Ligament, Left to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemM Bursae and Ligaments
OperationC Extirpation
Body PartP Knee Bursa and Ligament, Left
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

Extirpation procedures take or cut out solid matter that does not belong in a bursa or ligament, such as calcified deposits, loose bodies, blood clots, or foreign material. Unlike excision, the material removed is abnormal rather than being a piece of the ligament or bursa itself. A common scenario is removal of calcific deposits from a chronically inflamed bursa, sometimes called calcific bursitis, or clearing a hematoma that has formed within a ligament sheath after injury.

These procedures are often performed when conservative treatment or drainage alone has failed to resolve symptoms caused by the trapped material. The approach may be open, arthroscopic, or through a small percutaneous access depending on the size and location of the deposit.

By removing the obstructing or irritating material, extirpation aims to relieve pain and restore normal movement without removing any of the surrounding healthy ligament or bursa tissue.

Anatomy & Axis Detail

Knee Bursa and Ligament, Left

The left knee's bursae and ligaments include the prepatellar and infrapatellar bursae along with the collateral and cruciate ligaments that stabilize the joint. Extirpation here targets solid matter that does not belong in these structures - calcific deposits, gouty tophi, loose osteocartilaginous fragments, or thickened synovial debris lodged within a bursa or entangled in ligament fibers. Because the knee bears substantial mechanical load and its ligaments are essential to joint stability, the surgeon must remove the offending material while preserving the fibrous architecture that keeps the tibia and femur properly aligned. Access may be arthroscopic or open depending on the depth and location of the material. Documentation should specify which bursa or ligament was involved, since the knee contains several distinct structures grouped under this single body part value.

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

The documentation should identify the removed material as abnormal solid matter, such as calcium deposits, debris, or a clot, rather than native tissue. Coders should look for terms like removal, debris clearance, or evacuation of calcification rather than excision or resection language.

A common mistake is defaulting to Excision whenever tissue is cut, without checking whether what was actually removed was foreign or abnormal material versus a piece of the ligament or bursa itself. When both native tissue and abnormal material are removed in the same operative episode, coders must determine whether one procedure was incidental to the other or whether both should be captured.

Commonly Confused With

ExcisionExtirpation is commonly confused with Excision, with the deciding factor being whether the removed material is normal anatomic tissue or abnormal matter that does not belong there.
DrainageIt also differs from Drainage, which removes fluid or gas rather than solid material, though both procedures can be performed on the same inflamed bursa during a single encounter.