CPT code 43252 identifies an esophagogastroduodenoscopy (EGD) performed using an endomicroscopy system to evaluate the esophagus, stomach, and duodenum. This code captures advanced diagnostic endoscopy that augments standard visualization with microscopic-level assessment during the procedure. Nationally, such procedures are relevant for centers managing complex upper gastrointestinal disease, surveillance of premalignant conditions, and diagnostic clarification when high-resolution or targeted tissue assessment is needed.

Key payers considered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, typical sites of service, and the role of endomicroscopy in EGD. The publication outlines what practices and facilities should track for billing and documentation, common modifier usage (listed separately), and how this service aligns with procedural coding categories.

This summary also prepares readers to review benchmarks and policy-related items where available, and to understand procedural indications and operational considerations tied to CPT code 43252. Data not available in the input is noted where applicable in detailed sections.