Delayed placement of distal or proximal extension
prosthesis for endovascular repair of infrarenal abdominal
aortic or iliac aneurysm, false aneurysm, dissection,
endoleak, or endograft migration, including pre-procedure
sizing and device selection, all nonselective
catheterization(s), all associated radiological supervision
and interpretation, and treatment zone angioplasty/stenting,
when performed; initial vessel treated