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CPT 20610: Arthrocentesis/Intra-articular Injection, Major Joint or Bursa
CPT code 20610 represents arthrocentesis and/or intra-articular injection of a major joint or bursa performed without ultrasound guidance. It is widely used in outpatient and emergency settings to obtain diagnostic synovial fluid or to deliver therapeutic agents for joint conditions such as osteoarthritis and inflammatory arthropathies. Nationally, this code matters because it captures a common, low-cost procedure that intersects primary care, orthopaedics, sports medicine, and emergency medicine, and influences utilization and outpatient procedure benchmarks.
Key payers referenced in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical indications and typical sites of service, comparisons to related guidance for image-guided procedures, common billing and coding considerations, and how this code aligns with payer policies and benchmarks. The report highlights distinctions between non-image-guided 20610 and ultrasound-guided 20611, summarizes typical modifiers used in practice (listed for reference), and maps common ICD-10 diagnoses associated with its use, providing operational context for billing teams and administrators. Where input data is absent, the text notes "Data not available in the input."
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Billing Code Overview
CPT code 20610 describes a procedure in which a provider inserts a needle through the skin into a major joint or bursa to remove fluid (aspiration) or to inject a therapeutic drug, performed without ultrasound guidance. This procedure is a joint aspiration and/or injection of a major joint or bursa, conducted using syringe attachment to a needle.
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Service type: Procedural, minor invasive therapeutic/diagnostic joint procedure
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Typical site of service: Outpatient clinic, physician office, emergency department, or ambulatory surgery center where joint aspiration or intra-articular injection is commonly performed
National Reimbursement Benchmarks
Medicare’s national mean of $70.7 sits well below BUCA’s average commercial mean of $275.3, highlighting a sizable gap between public program payments and this commercial benchmark. Blue Cross Blue Shield and BUCA have much higher central tendencies, while UnitedHealth Group, Cigna, and Aetna cluster closer to Medicare’s level, creating a clear commercial–public split in average reimbursement for CPT 20610.
Dispersion measured by the interquartile range (P75–P25) is widest for Blue Cross Blue Shield at $96.8 and narrowest for Aetna at $86.5; UnitedHealth Group shows a range of $57.6, Cigna $54.4, and BUCA $85.5. This indicates Blue Cross Blue Shield has the largest middle-50% variability and Cigna the tightest middle spread among the listed commercial payers.