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CPT 73221: MRI of Upper Extremity Joint Without Contrast
CPT code 73221 denotes a diagnostic magnetic resonance imaging (MRI) scan of any joint in the upper extremity — shoulder, elbow, wrist, or hand — performed without contrast. As a common imaging modality for musculoskeletal complaints, this code is widely used in outpatient radiology and hospital outpatient settings to evaluate rotator cuff pathology, bursitis, joint degeneration, sprains, and other soft-tissue or intra-articular abnormalities. Nationally, utilization of non-contrast joint MRI affects imaging capacity, clinical pathways for orthopedic and sports medicine care, and payer coverage policies for diagnostic imaging.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for use of 73221, comparisons with related contrast and combined-sequence codes, and typical sites of service. The publication outlines benchmarks for coding relationships and service use, highlights common clinical indications tied to upper-extremity pain and degenerative or traumatic diagnoses, and summarizes how this code fits into imaging workflows and prior-authorization considerations. The content is intended to inform billing managers, radiology departments, and policy teams about the role of CPT code 73221 in diagnostic care and administrative processing at a national level.
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Billing Code Overview
CPT code 73221 describes a magnetic resonance imaging (MRI) procedure of any joint in the upper extremity (shoulder, elbow, wrist, or joints of the hand) performed without contrast material. This is a diagnostic imaging service focused on evaluating joint structure, soft tissues, and surrounding anatomy to inform clinical diagnosis and care.
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Service type: Diagnostic MRI of an upper extremity joint without contrast
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Typical site of service: Outpatient imaging centers or hospital outpatient departments where MRI scanners are available
National Reimbursement Benchmarks
Medicare’s mean payment of $142.30 for CPT 73221 sits well below BUCA’s average commercial mean of $542.10, indicating a substantial gap between public and commercial reimbursement levels. This gap of $399.80 highlights the differential between a government fee schedule and negotiated commercial rates; BUCA’s mean is roughly 3.8 times Medicare’s mean, reflecting typical commercial uplifts for this code.
Dispersion measured as the interquartile range (P75 minus P25) varies notably across payers. Blue Cross Blue Shield shows the widest IQR at $289.50 (P75 $880.70 minus P25 $609.20), while Aetna’s IQR is $171.50 and Cigna’s is $227.20. UnitedHealth Group has an IQR of $238.50. BUCA’s IQR is $255.50 and Medicare’s IQR is $132.00. Thus Blue Cross Blue Shield presents the greatest middle-range variability and Medicare the tightest interquartile spread.