Providers zig left, zag right with HCPCS modifiers on injection, X-ray codes
No matter which laterality modifier medical practices opted for in their claims reporting, one trend stood out: the most-reported code appended with CPT modifier 50 (Bilateral procedure) and HCPCS modifiers LT (Left side) and RT (Right side) was arthrocentesis service 20610 (Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance).
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