CPT 00566: Anesthesia for CABG without Pump Oxygenator
Commercial payers pay $68 on average nationally for this procedure.
CPT code 00566 describes anesthesia services provided for a coronary artery bypass graft (CABG) procedure performed without use of a pump oxygenator; service type: cardiac anesthesia for direct coronary artery bypass grafting without cardiopulmonary bypass; typical site of service: inpatient hospital operating room for scheduled or urgent CABG procedures not requiring cardiopulmonary bypass.
For related coverage guidance, see recent payer policy updates: Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders, Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders, Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders.
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National Reimbursement Benchmarks
Commercial rates for CPT 00566 center around BUCA’s average commercial rate of $68.10, which provides a useful midpoint against individual payer distributions. Cigna shows a notably higher mean ($91.80) and median ($85.70) compared with BUCA, while Aetna and Blue Cross Blue Shield sit lower on median values ($50.00 and $57.10 respectively). UnitedHealth Group’s median ($64.00) and mean ($67.40) are close to BUCA, indicating alignment with the average commercial level.
Dispersion measured as the interquartile range (P75–P25) varies meaningfully: Cigna’s IQR is $52.50 (P75 $120.00 minus P25 $67.50), indicating the widest spread among payers. Blue Cross Blue Shield’s IQR is $37.10 and BUCA’s IQR is $37.20, both showing moderate dispersion. Aetna’s IQR is $38.00 and UnitedHealth Group’s IQR is $29.00, with UnitedHealth Group the tightest distribution around its central tendency.