CPT code 76801 represents a transabdominal, real-time ultrasound of a pregnant uterus for evaluation of a first or single fetus during the first trimester (less than 14 weeks). This early obstetric ultrasound is a common diagnostic service used to confirm viability, estimate gestational age, detect multiple gestations, and identify early maternal or embryonic abnormalities. Nationally, first-trimester obstetric imaging is a routine component of prenatal care and has implications for care pathways, utilization tracking, and payer coverage policies.

Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for first-trimester transabdominal ultrasound, typical sites of service, common billing considerations, and related code groupings. The publication also summarizes payer coverage patterns and benchmark considerations relevant to this service line and highlights policy updates and coding guidance that affect documentation and billing practices.

This summary is intended to provide clinicians, coders, and policy analysts with a concise reference to the clinical purpose of CPT code 76801, the environments where it is performed, and the payer landscape affecting reimbursement and utilization nationally.