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CPT 00620: Anesthesia for Thoracic Spine and Spinal Cord Procedures
CPT code 00620 designates anesthesia services for procedures on the thoracic spine and spinal cord that are not described by another anesthesia code. This code captures the anesthesiologist’s role in providing perioperative anesthetic management for thoracic-level spine and spinal cord interventions, an important category given the complexity and physiological risks associated with thoracic spinal surgery. Nationally, accurate use of 00620 affects clinical documentation, billing integrity, and aggregation of anesthesia utilization for spine procedures.
Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for anesthesia in thoracic spine surgery, common billing considerations tied to this code, and comparisons across major payers regarding coverage and typical adjudication patterns. Related clinical diagnoses often involve thoracic spinal stenosis, intervertebral disc disorders with myelopathy, and other spinal cord conditions, which inform when 00620 may be appropriate.
The publication provides practical information for coding staff and anesthesia groups: definition and scope of 00620, payer coverage landscape, common modifiers and documentation triggers (listed separately), and links to adjacent anesthesia codes used for thoracic approaches. Data not available in the input will be noted explicitly in relevant sections.
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Billing Code Overview
CPT code 00620 describes anesthesia services performed for procedures on the thoracic spine and cord when the procedure is not otherwise specified by a different anesthesia code. The service covers intraoperative anesthetic management tailored to thoracic spinal surgery and spinal cord procedures.
Service type: Anesthesia for thoracic spine and spinal cord procedures
Typical site of service: Operating room or procedural suite where thoracic spine or spinal cord surgery is performed
National Reimbursement Benchmarks
National commercial reimbursement for CPT 00620 centers around BUCA’s average commercial rate of $72.70, providing a useful midpoint for comparison across major payers. Cigna and Aetna exhibit higher mean levels at $93.10 and $82.10 respectively, while Blue Cross Blue Shield and UnitedHealth Group sit closer to BUCA at $64.50 and $67.40. Absolute maxima are seen with Aetna ($236.70) and Cigna ($151.40), indicating sporadic high outliers that lift their means above BUCA.
Dispersion measured by the interquartile range (P75−P25) is widest for Aetna at $60.00 (P75 $105.50 − P25 $45.00), followed by Cigna at $52.20 and BUCA at $40.00. Blue Cross Blue Shield ($38.20) and UnitedHealth Group ($29.00) show the tightest IQRs, with UnitedHealth Group being the most concentrated around its median.