The provider inserts a special device to close, or occlude, a leak around the mitral valve, e.g., a prosthetic (artificial) valve, through a catheter inserted percutaneously, i.e., through a small incision in the skin over the heart. This code is for insertion of the first occlusion device to close a leak in the mitral valve, the valve between the left atrium, or upper chamber, and left ventricle, lower pumping chamber, of the heart.
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