Summary & Overview

CPT 22610: Thoracic Spine Arthrodesis, Posterior or Posterolateral Technique

CPT code 22610 represents arthrodesis of the thoracic spine using a posterior or posterolateral technique at a single vertebral level. This procedure is a critical intervention in orthopedic and neurological surgery, often performed to address spinal instability, pain, or degenerative conditions. Nationally, this code is significant due to its role in treating complex spinal disorders and its impact on patient outcomes and healthcare resource utilization.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides a comprehensive overview of payer coverage, billing practices, and policy updates relevant to 22610. Readers will gain insights into clinical indications, typical sites of service, and the procedural context for this code. The summary also highlights common modifiers used in billing, associated provider taxonomies, and related CPT codes for lumbar and additional vertebral segment arthrodesis. Benchmarks and policy updates are discussed to inform stakeholders about current trends and requirements in reimbursement and coding for thoracic spine arthrodesis.

This article serves as a resource for understanding the clinical and administrative landscape surrounding CPT code 22610, offering clarity on payer coverage, coding nuances, and the broader context of spine surgery billing.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 22610spine surgeryorthopedic surgeryhospital inpatientarthrodesisposterior techniquethoracic spinemedical billingpolicy updateclinical benchmarks

CPT Code Overview

CPT code 22610 describes arthrodesis using a posterior or posterolateral technique at a single thoracic vertebral level. This procedure involves surgical fusion of the spine, typically performed to stabilize the thoracic region and alleviate pain or neurological symptoms caused by conditions such as spinal instability or degenerative disease. The service is classified under spine surgery and orthopedic surgery. The typical site of service for this procedure is a hospital inpatient setting under Part A Prospective Payment System (PPS), and it is not commonly billable by physicians under Part B in skilled nursing facility (SNF) settings.

Clinical & Coding Specifications

Clinical Context

A typical patient scenario involves an adult presenting with thoracic spine pathology, such as spinal stenosis, spondylolisthesis, or intervertebral disc displacement, resulting in persistent pain, neurological deficits, or instability. Conservative management has failed, and imaging confirms a single-level thoracic abnormality. The patient is admitted to the hospital for surgical intervention. The clinical workflow includes preoperative assessment, imaging review, and multidisciplinary planning. The procedure performed is arthrodesis of the thoracic spine using a posterior or posterolateral technique, possibly with a lateral transverse approach. Postoperative care includes monitoring for complications, pain management, and rehabilitation.

Coding Specifications

Modifier 62 (Two Surgeons): Used when two surgeons from different specialties (e.g., orthopaedic and neurological surgery) perform distinct parts of the procedure, each billing for their portion.
Modifier 51 (Multiple Procedures): Applied when more than one surgical procedure is performed during the same operative session, allowing for proper billing of each.

Provider Taxonomy Code	Specialty Name
`207XS0117X`	Orthopaedic Surgery of the Spine
`207X00000X`	Orthopaedic Surgery
`207T00000X`	Neurological Surgery

Orthopaedic Surgery of the Spine (207XS0117X): Specialists focusing on surgical treatment of spine disorders.
Orthopaedic Surgery (207X00000X): General orthopaedic surgeons who may perform spine procedures.
Neurological Surgery (207T00000X): Neurosurgeons involved in spine surgery, especially when neurological structures are at risk.

Related Diagnoses

M48.06: Spinal stenosis, lumbar region
- Indicates narrowing of the spinal canal in the lumbar region, which may be relevant if pathology extends beyond thoracic.
M43.16: Spondylolisthesis, lumbar region
- Refers to vertebral slippage in the lumbar spine, potentially requiring fusion if instability is present.
M51.26: Other intervertebral disc displacement, lumbar region
- Describes abnormal disc position in the lumbar spine, which may necessitate surgical intervention if symptomatic.
M54.5: Low back pain
- Represents a common symptom that may be associated with thoracic or lumbar spine pathology leading to surgical consideration.
M47.816: Spondylosis without myelopathy or radiculopathy, lumbar region
- Denotes degenerative changes in the lumbar spine without nerve involvement, which may contribute to the decision for arthrodesis.

Each diagnosis is clinically relevant as it may represent the underlying pathology prompting consideration for thoracic arthrodesis, especially when symptoms or instability extend to or are associated with the lumbar region.

Related CPT Codes

22612: Arthrodesis, posterior or posterolateral technique, single level; lumbar (with lateral transverse technique, when performed)
- Used for lumbar spine fusion procedures. It is analogous to 22610 but applies to the lumbar region. In clinical workflow, 22612 may be used when the pathology is in the lumbar spine rather than thoracic.
22614: Arthrodesis, posterior or posterolateral technique, each additional vertebral segment (List separately in addition to code for primary procedure)
- Used when more than one vertebral segment is fused during the same operative session. This code is commonly billed together with 22610 or 22612 to account for additional levels addressed during surgery.

Summary & Overview

CPT 22610: Thoracic Spine Arthrodesis, Posterior or Posterolateral Technique

CPT Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier 62 (Two Surgeons): Used when two surgeons from different specialties (e.g., orthopaedic and neurological surgery) perform distinct parts of the procedure, each billing for their portion.
Modifier 51 (Multiple Procedures): Applied when more than one surgical procedure is performed during the same operative session, allowing for proper billing of each.

Provider Taxonomy Code	Specialty Name
`207XS0117X`	Orthopaedic Surgery of the Spine
`207X00000X`	Orthopaedic Surgery
`207T00000X`	Neurological Surgery

Orthopaedic Surgery of the Spine (207XS0117X): Specialists focusing on surgical treatment of spine disorders.
Orthopaedic Surgery (207X00000X): General orthopaedic surgeons who may perform spine procedures.
Neurological Surgery (207T00000X): Neurosurgeons involved in spine surgery, especially when neurological structures are at risk.

Related Diagnoses

M48.06: Spinal stenosis, lumbar region
- Indicates narrowing of the spinal canal in the lumbar region, which may be relevant if pathology extends beyond thoracic.
M43.16: Spondylolisthesis, lumbar region
- Refers to vertebral slippage in the lumbar spine, potentially requiring fusion if instability is present.
M51.26: Other intervertebral disc displacement, lumbar region
- Describes abnormal disc position in the lumbar spine, which may necessitate surgical intervention if symptomatic.
M54.5: Low back pain
- Represents a common symptom that may be associated with thoracic or lumbar spine pathology leading to surgical consideration.
M47.816: Spondylosis without myelopathy or radiculopathy, lumbar region
- Denotes degenerative changes in the lumbar spine without nerve involvement, which may contribute to the decision for arthrodesis.

Related CPT Codes

22612: Arthrodesis, posterior or posterolateral technique, single level; lumbar (with lateral transverse technique, when performed)
- Used for lumbar spine fusion procedures. It is analogous to 22610 but applies to the lumbar region. In clinical workflow, 22612 may be used when the pathology is in the lumbar spine rather than thoracic.
22614: Arthrodesis, posterior or posterolateral technique, each additional vertebral segment (List separately in addition to code for primary procedure)
- Used when more than one vertebral segment is fused during the same operative session. This code is commonly billed together with 22610 or 22612 to account for additional levels addressed during surgery.

National Reimbursement Benchmarks

For CPT code 22610, national mean rates show that Medicare reimburses at $1,267.33, while the average commercial benchmark (BUCA) is higher at $1,638.03. Commercial payers such as UnitedHealth Group and Cigna have the highest mean rates, at $2,260.81 and $2,121.35 respectively, with Blue Cross Blue Shield and Aetna falling in between.

Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies significantly across payers. Medicare exhibits the tightest range ($116.00), indicating more consistent rates nationally. In contrast, UnitedHealth Group has the widest dispersion ($1,339.00), followed by Cigna ($1,189.00), reflecting greater variability in commercial reimbursement.

The table and chart below present a detailed breakdown of national mean rates and percentile values for each payer.

State Benchmarks

State: Alaska1 / 50

Alaska Benchmarks

Alaska exhibits a notably wide spread in reimbursement rates for CPT code 22610, particularly among commercial payers. For example, Aetna and Cigna show substantial differences between their 25th and 75th percentiles, with Aetna's rates tightly clustered at the upper end ($6,076.00 for all percentiles) and Cigna spanning from $1,510.00 to $3,241.00. This indicates significant variability in negotiated rates depending on payer and provider. The rate spread for Medicare is much narrower, ranging from $1,165.00 to $1,311.00, reflecting more standardized government reimbursement.

Compared to national averages, Alaska's commercial payers consistently reimburse at much higher rates. Aetna's mean rate in Alaska is nearly five times its national mean, and other payers such as Blue Cross Blue Shield and UnitedHealth Group also show substantial premiums over their national benchmarks. The table and chart below present the full breakdown of payer-specific rates in Alaska.

Key Insights for Alaska

Aetna is the highest paying payer in Alaska for CPT 22610, with a mean rate of $5,252.32, while Medicare is the lowest at $1,244.18.
All commercial payers in Alaska reimburse at significantly higher rates than their respective national averages, with Aetna's mean rate nearly five times the national mean.
The rate spread is widest for Aetna and Cigna, indicating substantial variability in reimbursement depending on payer.

CPT 22612: Lumbar Spinal Fusion (Arthrodesis)

CPT-22632-LUMBAR-SPINAL-FUSION-ADDITIONAL-LEVEL

CPT 22632: Lumbar Spinal Fusion, Additional Level

22600-ARTHRODESIS-POSTERIOR-OR-POSTEROLATERAL-TECHNIQUE-SINGLE

CPT 22600: Cervical Spine Arthrodesis, Posterior Technique, Single Level

CPT-22595-POSTERIOR-CERVICAL-FUSION-C1-C2-ARTHRODESIS

CPT 22595: Posterior Cervical Fusion of C1–C2

CPT-22590-POSTERIOR-C2-CRANIUM-SPINAL-FUSION

CPT 22590: Posterior C2-to-Cranium Spinal Fusion

22634-ARTHRODESIS-COMBINED-POSTERIOR-OR-POSTEROLATERAL-TECHNIQUE

CPT 22634: Spinal Arthrodesis, Combined Posterior and Interbody Technique

22630-ARTHRODESIS-POSTERIOR-INTERBODY-TECHNIQUE-INCLUDING

CPT 22630: Lumbar Spine Arthrodesis, Posterior Interbody Technique

22633-ARTHRODESIS-COMBINED-POSTERIOR-OR-POSTEROLATERAL-TECHNIQUE

CPT 22633: Lumbar Spinal Fusion with Combined Posterior Techniques

22614-EACH-ADDITIONAL-VERTEBRAL-SEGMENT-LIST-SEPARATELY-IN

CPT 22614: Additional Vertebral Segment for Spinal Fusion

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.