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Keyhole Heart Rhythm Ablation Without Bypass Support

Maine rates for HCPCS 33265

Creates a limited set of scar lines on the heart to block the chaotic electrical signals that cause atrial fibrillation, working through small chest incisions with a camera rather than by opening the chest. The heart keeps beating throughout, so no heart-lung machine is used. It is the more limited version, treating fewer areas of the heart than the full pattern does.

Rates data updated July 2026.

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