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CPT 62321: Imaging-Guided Cervical/Thoracic Epidural Injection
Headline: CPT code 62321: Imaging-Guided Cervical/Thoracic Epidural Injection
Lead: CPT code 62321 identifies an imaging-guided epidural procedure in which a clinician inserts a needle or catheter to inject diagnostic or therapeutic agents into the epidural space of the cervical or thoracic spine. The code captures a commonly used interventional pain management technique for radiculopathy and various spine-related pain syndromes.
What this code represents and why it matters: CPT code 62321 documents targeted epidural access in the neck and upper/mid back under fluoroscopic or CT guidance. Nationally, these procedures are central to nonoperative pain management, influence utilization and imaging requirements, and are frequently evaluated in payer coverage policies and quality reviews.
Key payers covered: Analysis commonly includes national commercial insurers and public payers, including Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare.
What readers will learn: This publication provides benchmarks and coding context for CPT code 62321, outlines clinical indications and typical sites of service, and summarizes related procedural codes and payer policy considerations. It also offers operational notes relevant to billing and claims processing for imaging-guided cervical and thoracic epidural injections.
Context for use: The code applies when a diagnostic or therapeutic substance (for example, steroid or anesthetic) is delivered into the epidural space of the cervical or thoracic region via needle or catheter with imaging guidance, typically performed in outpatient interventional suites or hospital outpatient settings.
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Billing Code Overview
CPT code 62321 describes the injection of a diagnostic or therapeutic substance into the epidural space around the spinal nerves of the cervical (neck) or thoracic (upper and middle back) region, performed under imaging guidance. The procedure involves insertion of a needle or catheter to deliver agents such as pain medication or a steroid.
Service type: Epidural injection, cervical or thoracic, imaging-guided
Typical site of service: Outpatient interventional suite, ambulatory surgery center, or hospital outpatient department
National Reimbursement Benchmarks
Commercial averages sit well above Medicare for CPT 62321: Blue Cross Blue Shield and BUCA exhibit mean commercial rates of $805.40 and $583.90, respectively, versus a Medicare mean of $287.50. Blue Cross Blue Shield’s mean is roughly $517.90 higher than Medicare’s, and BUCA’s mean is about $296.40 higher, indicating substantial gap between Medicare reimbursement and commercial pricing for this procedure.
Rate dispersion varies notably across payers. Calculating P75–P25 spreads yields the tightest distributions for Aetna (spread $168.00) and Cigna (spread $230.3), while the widest spreads are with Blue Cross Blue Shield (spread $696.50) and UnitedHealth Group (spread $249.3). BUCA’s interquartile spread is $517.60 and Medicare’s interquartile spread is $32.00, highlighting very low local variability for Medicare compared with broader commercial variability.