Summary & Overview
CPT 00218: Anesthesia for Thoracic Spine and Spinal Cord Procedures
Headline: New Reference Brief — Anesthesia for Thoracic Spine Procedures
Lead: CPT 00218 denotes anesthesia services provided for procedures on the thoracic spine and spinal cord and is used in inpatient hospital settings for complex spine care. The code captures anesthesiology involvement in thoracic spinal surgeries, a clinically significant area due to patient complexity and perioperative risk.
What the code represents and why it matters: CPT 00218 identifies anesthesia care specific to thoracic spine and cord procedures. It matters nationally because thoracic spine surgeries often involve high acuity, multidisciplinary teams, and resource-intensive perioperative management. Clear coding supports appropriate clinical documentation, billing consistency, and communication among surgical and anesthesia services.
Key payers covered: Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare are included in the payer landscape for this code.
Overview of the publication: Readers will find a concise explanation of the clinical context for CPT 00218, comparative references to related spine and anesthesia procedure codes, and practical billing and policy considerations relevant to inpatient anesthesiology services. The brief outlines typical sites of service and associated clinical scenarios, highlights coding relationships to extensive spine procedures, and identifies common documentation elements that support code assignment. Data not available in the input is explicitly noted where applicable.
CPT Code Overview
CPT 00218 covers anesthesia for procedures on the thoracic spine and cord; not otherwise specified. This code is reported for anesthesiology services delivered in the intraoperative setting when care is provided for thoracic spine or spinal cord procedures. The typical site of service is Inpatient Hospital (POS 21). The service type for this code is Anesthesiology.
Clinical & Coding Specifications
Clinical Context
A 62-year-old inpatient with progressive thoracic spinal cord compression is scheduled for operative decompression. The patient presents with worsening gait instability, sensory changes, and imaging confirming a thoracic-level lesion requiring surgical intervention under general anesthesia. Preoperative evaluation by the anesthesia team includes review of neurologic status, airway assessment, optimization of comorbidities, and coordination with the surgical team for intraoperative positioning and neuromonitoring. In the operating room, an anesthesiologist or qualified anesthesia provider administers general endotracheal anesthesia, manages hemodynamics, and provides neuraxial or peripheral adjuncts if indicated. Postoperative handoff to the intensive care or inpatient recovery team includes pain plan, neurologic exam baseline, and airway/ventilatory plan. The procedure context aligns with anesthesia services for thoracic spine and spinal cord procedures captured by 00218.
Coding Specifications
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Modifiers
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QS: Monitored anesthesia care service. Use when anesthesia is provided as monitored anesthesia care rather than general endotracheal anesthesia for the listed procedure. -
QX: CRNA service with medical direction by a physician. Use to indicate that a Certified Registered Nurse Anesthetist performed the service under the medical direction of a physician. -
Provider Taxonomies
| Taxonomy Code | Specialty |
|---|---|
207L00000X | Anesthesiology — Physician anesthesiologist responsible for perioperative anesthesia care |
367H00000X | Anesthesiologist Assistant — Licensed assistant working under anesthesiologist supervision |
367500000X | Certified Registered Nurse Anesthetist — CRNA providing anesthesia services, may be independent or supervised |
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Usage notes
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When billing, include the appropriate modifier from the provided list to reflect the type of anesthesia service delivered.
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If additional modifiers or components are required by a payer, follow that payer's modifier guidance. Data not available in the input for other modifiers.
Related Diagnoses
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M48.06— Spinal stenosis, lumbar regionClinical relevance: Lumbar spinal stenosis indicates degenerative narrowing; although lumbar in location, spinal stenosis conditions are related pathologies in spine surgical populations and may be part of multi-level spine disease considerations when planning anesthesia for spinal procedures.
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M51.26— Other intervertebral disc displacement, lumbar regionClinical relevance: Disc displacement can produce radiculopathy or myelopathy symptoms; relevant to perioperative assessment when spine pathology involves adjacent regions or when surgical planning includes multiple levels.
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G95.9— Disease of spinal cord, unspecifiedClinical relevance: Represents non-specific spinal cord disease which may directly necessitate thoracic spinal cord procedures and corresponds closely to the clinical indications for anesthesia reported with
00218. -
M54.5— Low back painClinical relevance: Common presenting symptom in spine patients; while lumbar in anatomic focus, it is included among related diagnoses seen in patients undergoing spine surgery and perioperative anesthesia management.
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M47.812— Spondylosis without myelopathy or radiculopathy, cervical regionClinical relevance: Degenerative spine disease in the cervical region; included as a related spine pathology that may coexist with thoracic disease or influence perioperative neurological assessment and anesthesia planning.
Related CPT Codes
| CPT Code | Description | Relationship to 00218 |
|---|---|---|
00670 | Anesthesia for extensive spine and spinal cord procedures | Alternative for more extensive or multilevel spinal procedures; may be selected when the surgical scope exceeds the thoracic-only descriptor of 00218. |
63030 | Laminectomy with decompression of spinal cord | Common surgical procedure for which 00218 would provide the anesthetic service. Often performed at the same operative encounter. |
22830 | Exploration of spinal fusion | Surgical procedure that may require thoracic spine anesthesia; anesthetic code 00218 can apply when the procedure is on the thoracic spine/cord. |
20936 | Spinal graft, local (autograft) | Ancillary surgical procedure performed during spine operations; anesthesia reported separately with 00218. |
22551 | Arthrodesis, anterior interbody, including disc space preparation | Fusion procedure that may involve thoracic or adjacent levels; 00218 used for anesthesia when the operative site falls within the thoracic spine/cord domain. |
- Codes commonly used together:
00218is commonly reported with spine surgical procedure codes such as63030and fusion-related codes (22551,22830) when the operative site is thoracic.00670serves as an alternative anesthesia code for more extensive or multilevel spinal cord procedures.
National Reimbursement Benchmarks
National commercial means vary materially from Medicare and from the BUCA composite. BUCA’s mean of $286.33 is lower than the aggregated commercial means for Aetna, Blue Cross Blue Shield, and Cigna (Aetna $398.21, BCBS $680.58, Cigna $700.43); Medicare is not provided in the input. The table and chart below present the full breakdown of mean rates and percentiles.
Dispersion (P75 minus P25) is widest for Cigna at $1,029.00 and for Blue Cross Blue Shield at $458.00, indicating broad variation in allowed amounts. The tightest spread is UnitedHealth Group at $25.30, followed by BUCA and Aetna, reflecting more concentrated rate distributions. The table and chart below present the full breakdown.
State Benchmarks
State: AK1 / 50
Alaska Benchmarks
Alaska exhibits a wide range in reimbursement rates for CPT code 00218, with Blue Cross Blue Shield showing the largest spread between the 25th and 75th percentiles ($301.30), while Aetna, Cigna, and UnitedHealth Group display minimal spreads, indicating more uniform rates. The mean rates for Blue Cross Blue Shield and BUCA in Alaska are significantly higher than their respective national averages, whereas Cigna and UnitedHealth Group are below their national means.
The table and chart below present the full breakdown of payer-specific rates in Alaska, highlighting the substantial variation in payment levels across different insurers.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer for CPT 00218 in Alaska, with a mean rate of $819.70, while UnitedHealth Group is the lowest at $75.12.
- The rate spread in Alaska is substantial, with BCBS's 75th percentile ($965.50) far exceeding the lowest 25th percentiles among other payers.
- Compared to national averages, Alaska's mean rates for BCBS and BUCA are notably higher, while Cigna and UnitedHealth Group are below their respective national means.
Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.