CPT code 78070 represents a specialized nuclear medicine procedure used to image the parathyroid glands using two different radiopharmaceuticals and image-comparison or subtraction techniques to localize abnormal tissue. This procedure is clinically important for the evaluation and preoperative localization of hyperfunctioning parathyroid tissue, which can guide surgical planning and affect patient outcomes. Nationally, accurate coding and coverage determination for this specialized imaging study influence access to diagnostic workups for primary and secondary hyperparathyroidism.

Key payers considered in this analysis include Aetna, Blue Cross Blue Shield, Cigna, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical purpose of the code, typical sites of service, and common billing modifiers. The publication summarizes payer coverage patterns and reimbursement benchmarks where available, highlights relevant clinical context for ordering clinicians and coding staff, and notes policy trends that affect authorization and documentation requirements. Where input data are incomplete, the report clearly indicates missing items. The content is aimed at billing managers, radiology and nuclear medicine departments, and policy analysts seeking a compact reference on CPT code 78070.