CPT code 93566 denotes a diagnostic right heart catheterization with contrast injection and image acquisition focused on evaluation of patients with congenital heart disease. This invasive imaging study is critical for assessing right atrial and right ventricular morphology and function, guiding clinical management, and planning potential interventions. Nationally, the code represents an important part of congenital cardiac care pathways and hospital-based procedural volumes.

Key payers considered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the procedure’s clinical context, typical sites of service, common billing considerations, and payer coverage patterns. The publication outlines national benchmarks for utilization and reimbursement (where available), recent policy or coverage updates that may affect authorization and claims adjudication, and coding nuances relevant to documenting the diagnostic nature of the service. The material is intended to inform clinicians, billing professionals, and policy stakeholders about how CPT code 93566 fits into care delivery for congenital heart disease and the administrative factors that commonly affect its use.

Data not available in the input: specific payer policies, ICD-10 mappings, taxonomies, associated codes, and detailed utilization statistics are not provided here.