Billing and Coding: Retroperitoneal Ultrasound

Retroperitoneal ultrasound codes (CPT 76770/76775/76776) are appropriate only when the exam is strictly limited to retroperitoneal structures; when the exam includes organs outside the retroperitoneum or primary findings involve non-retroperitoneal organs, a full or limited abdominal ultrasound (CPT 76700/76705/76706) should be performed and billed. It is not appropriate to bill both a retroperitoneal study and a complete/limited abdominal study for the same expanded exam, and documentation must support the scope of the exam per LCD L34577.

"Retroperitoneal ultrasound (CPT 76770, 76775, 76776) is covered when the exam is limited solely to retroperitoneal structures."

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