Summary & Overview
CPT 00625: Anesthesia for Thoracic Spine Procedure, Anterior Transthoracic
Headline: CPT code 00625: Anesthesia for Anterior Transthoracic Thoracic Spine Procedures
Lead: CPT code 00625 identifies anesthesia services for surgeries on the thoracic spine and spinal cord performed through an anterior transthoracic approach without use of one‑lung ventilation. The code specifies a particular surgical access and anesthetic context that affects perioperative planning and billing.
CPT code 00625 represents anesthesia care for complex thoracic spine and spinal cord procedures using an anterior transthoracic approach, where one‑lung ventilation is not employed. Nationally, precise CPT assignment for specialized spine approaches matters for appropriate payment, clinical communication, and resource planning for high-acuity surgical cases.
Key payers covered include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical scope and typical site of service, an overview of payer coverage considerations, and pointers to closely related CPT anatomy (notably the version of the code that includes one‑lung ventilation). The publication outlines common billing elements and contextual clinical notes relevant to anesthesiology, pain management, and critical care clinicians who support thoracic spine surgery.
What readers will learn: the clinical scenario captured by 00625, where it is typically billed, the main national payers referenced in the analysis, and links to related coding for thoracic spine anesthesia to assist billing accuracy and program alignment.
Billing Code Overview
CPT code 00625 describes anesthesia services provided for a patient undergoing a procedure on the thoracic spine and spinal cord performed via an anterior transthoracic approach, without the use of one‑lung ventilation.
Service type: Anesthesia for thoracic spine and spinal cord surgery (anterior transthoracic approach)
Typical site of service: Operating room / inpatient surgical suite involving thoracic surgical access
Clinical & Coding Specifications
Clinical Context
A 62-year-old male with progressive thoracic myelopathy presents for anterior transthoracic decompression and fusion of the thoracic spine for symptomatic spinal cord compression. He reports gait instability, lower extremity numbness, and chronic mid-back pain refractory to conservative care. Preoperative assessment by the anesthesiology team documents coronary artery disease, well-controlled hypertension, and an American Society of Anesthesiologists (ASA) physical status of P3. The planned operative approach is an anterior transthoracic thoracic corpectomy and interbody fusion without use of one‑lung ventilation. The anesthesia workflow includes preoperative airway evaluation, invasive arterial monitoring placement, induction with endotracheal intubation, maintenance of general anesthesia with hemodynamic goal-directed therapy, intraoperative neurophysiologic monitoring coordination, and postoperative handoff to the intensive care unit for neurological observation and pain control. Intraoperative events that may alter coding or documentation include unexpected prolonged operative time, significant blood loss requiring transfusion, conversion to thoracotomy with prolonged ventilatory support, or the need for regional adjuncts for pain management.
Coding Specifications
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Modifier
22is used for a substantially greater-than-normal service due to increased complexity. -
Modifier
23is used when the procedure is performed under general anesthesia but is an unusual circumstance where the procedure itself is normally done without anesthesia. -
Modifier
50is used when bilateral procedures are performed (rare for this anterior thoracic approach).