CPT code 78185 represents a radionuclide spleen study performed after intravenous administration of a radiopharmaceutical to image spleen size, position, or detect focal lesions such as tumors, abscesses, or cysts. As a nuclear medicine diagnostic procedure, it supports evaluation of splenic anatomy and pathology when structural or functional assessment is required. Nationally, this code matters for hospitals, outpatient imaging centers, and radiology practices that provide targeted splenic imaging and for payers who manage coverage and reimbursement for nuclear medicine services.

Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication discusses typical service settings, common billing modifiers provided in the input, and where CPT code 78185 fits within diagnostic imaging service lines.

Readers will learn the clinical context for using CPT code 78185, typical sites of service, and the administrative elements relevant to billing. The piece provides benchmark-oriented content and policy-aware context for payers and providers. Data not available in the input is called out where applicable.