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CPT 78306: Full‑Body Bone Scan (Bone Scintigraphy)
CPT code 78306 represents a full‑body bone scan (bone scintigraphy), a nuclear medicine diagnostic imaging study used to evaluate the entire skeleton for metabolic bone disease, occult fracture, infection, or metastatic involvement. Nationally, bone scans remain an important component of musculoskeletal and oncologic imaging because they provide functional information about bone turnover that complements anatomic studies. Key national payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical purpose and typical settings for 78306, how it relates to adjacent nuclear medicine codes such as 78305 and 78315, and common diagnostic indications. The publication also summarizes payer coverage scope and common billing considerations, highlights associated ICD‑10 diagnosis contexts like osteoporosis and pathological fracture, and lists relevant taxonomies for radiology and nuclear medicine specialties. This executive summary supplies a practical reference for billing and coding teams, radiology departments, and practice managers seeking a clear national overview of the code's clinical role and payer landscape. Data not available in the input includes site‑specific reimbursement rates and utilization benchmarks.
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Billing Code Overview
CPT code 78306 describes a full‑body bone scan (scintigraphy), a nuclear medicine imaging procedure in which the provider injects a radionuclide prior to imaging to evaluate the skeleton for metabolic activity, fractures, infection, metastatic disease, or other bone pathology. The procedure typically involves tracer administration followed by whole‑body planar imaging and may include additional targeted views as clinically indicated.
Service type: Nuclear medicine diagnostic imaging (bone scintigraphy)
Typical site of service: Hospital outpatient radiology/nuclear medicine department or freestanding imaging center
National Reimbursement Benchmarks
Across payers the national mean for CPT 78306 shows a clear separation: Medicare’s mean of $180.50 sits well below BUCA’s average commercial mean of $438.20, indicating that commercial networks on average reimburse substantially more than Medicare for this code. Blue Cross Blue Shield and UnitedHealth Group have notably higher mean levels ($592.40 and $275.10 respectively), while Aetna and Cigna fall closer to Medicare’s mean but still above in some percentiles.
Dispersion measured as the interquartile range (P75–P25) highlights where variability concentrates. Blue Cross Blue Shield has the widest IQR at $276.60, followed by BUCA at $269.90 and UnitedHealth Group at $270.10, indicating broad contract variability. Aetna and Cigna are tighter with IQRs of $200.40 and $305.60 respectively — Cigna’s IQR is larger than Aetna’s despite lower overall means — and Medicare’s IQR is $218.50, placing it in the mid-range of dispersion.