ICD-10-PCS Billable Code

02CQ4ZZ

Extirpation Pulmonary Artery, Right to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System2 Heart and Great Vessels
OperationC Extirpation
Body PartQ Pulmonary Artery, Right
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

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

Pulmonary Artery, Right

The right pulmonary artery carries deoxygenated blood to the right lung and, like the pulmonary trunk, can become obstructed by thromboemboli originating from deep venous thrombosis or, in chronic thromboembolic pulmonary hypertension, by organized fibrotic material adherent to the vessel wall. Extirpation of the right pulmonary artery describes removing this solid matter through an arteriotomy without resecting the vessel wall itself. In acute embolectomy, the goal is rapid clot extraction to relieve right heart strain, while in chronic disease the material is often densely adherent and layered within the vessel, requiring more meticulous dissection to separate it from the native intima. This procedure is typically performed under cardiopulmonary bypass and, in chronic cases, may extend into segmental branches beyond the main right pulmonary artery.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

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.