CPT code 33140 identifies laser revascularization of the heart performed through a thoracotomy. This surgical, cardiac revascularization code captures use of laser to create myocardial channels or otherwise restore blood flow via an open thoracic approach. The code matters nationally as it relates to specialty cardiac surgery billing, inpatient and hospital outpatient reimbursement, and classification of laser-assisted myocardial revascularization procedures.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise account of the code's clinical context, typical sites of service, and the payer landscape relevant to coverage and claims processing. The publication provides benchmark-oriented information, policy and coding considerations that affect billing and claims submission, and how this procedure is positioned within cardiac surgical services.

The audience will gain a practical snapshot of where CPT code 33140 fits in surgical service lines, what settings commonly deliver the service, and which major payers are relevant for coverage and claims. Data not available in the input will be explicitly noted where applicable in detailed sections.