CPT code 93594 identifies a diagnostic cardiac catheterization performed for patients with congenital heart defects and abnormal native vessel connections. The procedure involves navigating a catheter into the right side of the heart to obtain intracardiac blood gas samples and perform hemodynamic measurements. This service is clinically significant because it provides direct physiologic data critical to diagnosing complex congenital cardiac anatomy and guiding subsequent interventions or management strategies.

Key national payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for CPT code 93594, documentation and coding considerations that commonly influence claims, and an outline of expected sites of service. The publication also covers benchmarking perspectives and relevant policy considerations that affect coverage and payment practices nationally.

This summary equips clinicians, coding professionals, and payer policy teams with the essential clinical and service-level understanding of CPT code 93594, the typical care setting for the procedure, and the types of measurements obtained during the service. Data not available in the input will be noted in the corresponding detailed sections.