Below is a list summarizing the CPT codes for transmyocardial revascularization procedures.
CPT Code 33140
CPT 33140 describes transmyocardial laser revascularization by thoracotomy as a separate procedure.
CPT Code 33141
CPT 33141 describes an add-on code for transmyocardial laser revascularization performed during other open cardiac procedure(s) by thoracotomy. It needs to be listed separately in addition to the code for the primary procedure.