C9764

What C9764 is

Revascularization, endovascular, open or percutaneous, lower extremity artery(ies), except tibial/peroneal; with intravascular lithotripsy, includes angioplasty within the same vessel(s), when performed

HCPCS Level II long description, CMS October 2026 file. See the C codes page for the full section.

Medically Unlikely Edit (MUE)

Medicare caps C9764 at 2 units per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Nature of Service/Procedure. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

C9764 is bundled into these codes

C9764 appears as a Column 2 code in 3 active edits. Reported with one of these Column 1 codes on the same date of service, C9764 is the code that denies.

Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.