AHA Coding Clinic® for HCPCS - 2025 Issue 3; Ask the Editor

Modifier PT and HCPCS Level II Code C9779

If a patient presents for a screening colonoscopy, and a lesion is found and removed by endoscopic submucosal dissection (ESD) technique, HCPCS Level II code C9779, is it appropriate to append modifier PT to this code to indicate the screening colonoscopy was converted to a therapeutic procedure? ...

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