CPT code 55040 denotes the surgical removal of a fluid-filled sac from one side of the scrotum to relieve pain or discomfort. Nationally, this code captures a common minor urologic procedure used to treat symptomatic hydroceles or similar paratesticular fluid collections. It matters for payers and providers because correct coding drives appropriate reimbursement, influences site-of-service decisions, and affects quality and utilization monitoring for outpatient urologic care.

Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, guidance on typical service settings, and an overview of common billing modifiers and operational considerations. The publication summarizes benchmarks and policy-relevant issues such as outpatient versus inpatient site-of-service classification, documentation elements that support medical necessity, and common claims adjudication points. Data not available in the input are noted where applicable.

This summary is intended for clinicians, billing staff, and policy analysts seeking a clear national-level briefing on CPT code 55040, its clinical use, and the payer coverage landscape.