CPT code 38790 denotes a two-stage lymphangiography procedure involving injection of contrast into lymphatic ducts followed by X‑ray imaging to visualize the lymphatic vessels. This diagnostic imaging code is used for evaluation of lymphatic channel anatomy, obstruction, or leak and is relevant for surgical planning, oncologic staging, and vascular/lymphatic disorder assessment. Nationally, use of lymphangiography is less common than cross-sectional imaging but remains important when detailed lymphatic mapping is required.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for CPT code 38790, typical settings of service, and common billing considerations. The publication provides benchmarks and rate context where available, highlights relevant policy and coverage considerations affecting utilization, and outlines typical service line implications for radiology and vascular surgery practices.

This summary is intended for billing managers, radiology administrators, and policy analysts seeking a national perspective on the clinical role and billing context of CPT code 38790. Data not available in the input is noted where applicable and omitted from coverage tables.