NCIt definition : Persistent blood flow/pressure in the aneurysm sac following an endovascular aneurysm
repair (EVAR) procedure.;
Alternative definition : FDA: The observed patient condition is persistent blood flow/pressure in the aneurysm
sac following an endovascular aneurysm repair (EVAR) procedure. Where other patient
signs and symptoms indicate the presence of an endoleak those signs and symptoms should
be coded.;