02CG0ZZ
Extirpation Mitral Valve to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 2 Heart and Great Vessels |
| Operation | C Extirpation |
| Body Part | G Mitral Valve |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | Z 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
Mitral Valve
The mitral valve regulates flow between the left atrium and left ventricle and, being a high-pressure, high-flow structure, is a frequent target for infective vegetations, calcified annular deposits, and thrombus, particularly in patients with atrial fibrillation or prosthetic material nearby. Extirpation of the mitral valve refers to physically removing this solid matter from the leaflets, annulus, or subvalvular apparatus while leaving the native valve in place. The procedure is usually performed through a left atriotomy with direct visualization of the leaflets and chordal attachments, since the surgeon must dislodge material without tearing delicate leaflet tissue or disrupting chordal continuity. When extensive destruction accompanies the debris, the operation often converts to repair or replacement, so this code is reserved for cases where extraction alone restores adequate valve function.
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 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.