0484T Tmvi transthoracic exposure
Also known as: transthoracic mitral replacement, minimally invasive TMVR
Transcatheter mitral valve implantation via transthoracic exposure. Surgical access with catheter-based valve implantation.
In Plain Language
Heart valve replacement through small surgery; Surgical catheter valve replacement
Clinical Context
Used when percutaneous access unavailable. Combines surgical access with catheter-based implantation.
RVU Information
CPT 0484T does not have a physician work RVU assigned by CMS. Category III codes for emerging technology do not receive RVU assignments. Reimbursement is negotiated with individual payers.
Billing & Documentation
Category III codes are temporary codes for emerging technology, services, and procedures. They are not assigned RVU values by CMS. Coverage and reimbursement vary by payer — check with individual insurers before billing. These codes sunset after 5 years if not converted to Category I.
Specialties
Frequently Asked Questions
What is CPT code 0484T?
CPT 0484T (Tmvi transthoracic exposure) is a Category III code. Transcatheter mitral valve implantation via transthoracic exposure. Surgical access with catheter-based valve implantation.
Is 0484T a permanent CPT code?
No — 0484T is a Category III temporary code for emerging technology. It may be converted to a permanent Category I code if widely adopted. Category III codes expire after 5 years without renewal.
When is CPT 0484T used?
Used when percutaneous access unavailable. Combines surgical access with catheter-based implantation.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.