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"Attention was then turned to the right groin. Under ultrasound guidance, access to the right common femoral vein was obtained. A sheath was placed. Next, a 20 mm Abre stent was deployed in the infrarenal inferior vena cava. Next, in a kissing, double-barrel fashion, two 14 mm Abre stents were deployed extending from the inferior vena cava into both common iliac veins. Post-deployment angioplasty was then performed with 14 mm balloons. Next, two 14 mm Abre stents were deployed extending from both common iliac veins to both external iliac veins. Post-deployment angioplasty was then performed with 14 mm balloons. Completion bilateral lower extremity ascending venography was then performed." 

No mention of catheter placement is made in this report. Can we assume catheter placement and code it? Or does it need to be documented? I have always been taught that if it isn't documented it didn't happen, but the IR coders tend to infer the cath placement.