CPT code 59001 represents a therapeutic amniocentesis performed to remove excess amniotic fluid for the treatment of polyhydramnios, using real-time ultrasound guidance. This obstetric procedure is clinically significant because it can relieve maternal symptoms, reduce risk of preterm labor from uterine overdistension, and improve fetal and maternal hemodynamics in severe cases. Nationally, correct coding for this procedure affects claims adjudication, appropriate site-of-service classification, and quality reporting for high-risk obstetric care.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for therapeutic amniocentesis, typical sites of service where CPT code 59001 is billed, and the landscape of payer coverage practices. The publication also outlines common billing considerations, frequently used modifiers (listed separately), and where to find applicable documentation standards.

The content is intended to help coders, billing professionals, and policy analysts understand the clinical procedure denoted by CPT code 59001, its relevance to maternal-fetal medicine, and the payer environment that influences reimbursement and utilization management. Data not available in the input are noted where applicable.