procedure: ptca with insertion of an intraluminal drug-eluting stent of the proximal- mid left anterior descending coronary artery. details: this is a 55-year old patient with cad. the patient was prepped, draped, and anesthetized in the usual fashion. the right femoral artery was accessed and an xxb 3.56 french guide catheter and bmw wire were used. immediately after the origin of the large diagonal branch, there was about 80% eccentric lad disease. mid and distal lad otherwise appeared to be unremarkable. a cypher stent was deployed, covering the entirely moderately diseased proximal site and post dialated with 3.0x15 mm powersail balloon up to 15 atmospheres. this resulted in a fully deployed stent with no evidence for dissection, thrombosis or distal embolization. guide catheter and wires were removed. left femoral arterial sheath was removed. patient tolerated procedure well. what is the icd10cm code submitted for this procedure?