CPT code 74251 represents a double-contrast fluoroscopic and radiographic examination of the small intestine performed after infusion of high-density barium and air through an enteric tube. This diagnostic imaging procedure evaluates small-bowel anatomy and motility and can help detect strictures, mucosal disease, obstruction, and other pathology. Nationally, 74251 is relevant for hospitals, outpatient imaging centers, and radiology practices because it requires specialized fluoroscopy equipment, personnel skilled in enteric tube placement, and appropriate contrast handling.

Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and service setting, common billing modifiers and considerations, and comparisons to related imaging services. The publication summarizes typical sites of service and the procedure components covered by the code, highlights payer coverage patterns and administrative considerations where available, and outlines clinical indications that commonly prompt use of this study.

This executive summary is intended to orient billing and clinical staff, revenue cycle teams, and policy analysts to the clinical purpose and billing context of CPT code 74251, including practical notes on documentation and coding workflows. Data not available in the input is explicitly noted in section-level details elsewhere.