Please answer my question for my CEU.

Question: When assigning a code for an endovascular revascularization tranluminal peripheral atherectomy which arterial vascular territory is assigned a category III code instead of a code from 33720-37235?

1) Iliac vascular territory

2) femoral/popliteal vascular territory

3) tibial/peroneal territory

4) all oh the above

If you can please explain .Codes are not familiar to me . I am confused how to code this??

Thank you