ICD-10-PCS Billable Code

02C03Z7

Extirpation Coronary Artery, One Artery to Orbital Atherectomy Technique with No Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System2 Heart and Great Vessels
OperationC Extirpation
Body Part0 Coronary Artery, One Artery
Approach3 Percutaneous
DeviceZ No Device
Qualifier7 Orbital Atherectomy Technique

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

Extirpation procedures on the heart and great vessels remove solid material that has formed inside a blood vessel or heart chamber but is not being cut free as a specimen for diagnosis. The most common target is thrombus - a blood clot that has built up in a coronary artery, the aorta, a pulmonary vessel, or occasionally inside a cardiac chamber - along with calcified plaque, vegetations from an infected valve, or embolic debris lodged downstream after it broke loose elsewhere. The material is physically taken out, whether by suction catheter, mechanical retrieval device, or an open surgical approach.

These procedures are performed to restore blood flow that a clot or plaque has blocked, to reduce the risk of a piece breaking off and traveling to the brain or lungs, or to clear infected material that antibiotics alone cannot resolve. A patient with a heart attack caused by a clot-filled coronary artery, a stroke risk from carotid or aortic debris, or a pulmonary embolism may all be candidates.

Because the approach ranges from a thin catheter threaded through the groin to full open-chest surgery, the impact on recovery varies widely, and the physician's notes will usually describe both the material removed and how it was reached.

Anatomy & Axis Detail

Coronary Artery, One Artery

Extirpation of one coronary artery refers to the physical removal of solid matter, such as an acute thrombus, embolus, or organized atherosclerotic material, from within a single named epicardial vessel, typically performed to restore blood flow during an acute occlusion. Unlike bypass grafting, this procedure does not create a new pathway but clears an existing one, often via catheter-based thrombectomy or, less commonly, open extraction during surgery. The obstructing material is cut or pulled from the lumen and removed from the body rather than broken up in place, which distinguishes extirpation from fragmentation-based approaches. Because only one artery is involved, this code applies to focused single-vessel occlusions, most often seen in acute myocardial infarction affecting a single coronary territory.

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.

Qualifier: Orbital Atherectomy Technique

This qualifier denotes orbital atherectomy, a technique using an eccentrically rotating abrasive crown to sand away arterial plaque, typically in peripheral vessels. It is distinguished from the ultrasonic qualifier, which instead uses acoustic energy to fragment plaque, and from directional or rotational atherectomy devices that remove material by cutting rather than abrasion.

Coding & Documentation

The operative note must state that solid matter was removed and that nothing biological or synthetic was left behind in its place - that last point is what separates Extirpation from a repair or replacement procedure done on the same vessel. Coders look for explicit language such as thrombectomy, thrombus removal, embolectomy, or debridement of calcified plaque, along with the specific vessel or chamber and the method (percutaneous, endoscopic, or open).

A frequent assignment error is coding an angioplasty or stent placement as Extirpation when the documentation only describes plaque being pushed aside or compressed rather than pulled out; that scenario belongs to Dilation, not Extirpation. Another common mix-up is failing to code Extirpation separately when it is performed as a distinct step before a bypass or valve procedure in the same operative session - each root operation performed for a different objective needs its own code even within one encounter.

Commonly Confused With

FragmentationFragmentation is the closest neighbor: both address obstructing solid material, but Fragmentation breaks it into pieces left in the body (as with some clot-busting or lithotripsy-style devices), while Extirpation physically removes the material.
DilationDilation is often confused with Extirpation in coronary work because both open a narrowed vessel, but Dilation widens the lumen without taking anything out, typically leaving a stent behind.
ExcisionExcision is distinguished by intent - a piece of vessel wall or a tumor cut out for pathology review is Excision, not Extirpation, even though both involve cutting tissue away.