Help please

A patient has neoplastic tumors of the liver that are not amenable to surgical resection. The physician performs a minimally invasive surgical laparoscopy for radiofrequency ablation. What code describes ultrasonic imaging to visualize the tumors?

re: Help please

http://www.palmettogba.com/palmetto/providers.nsf/DocsCat/Providers~Jurisdiction%2011%20Part%20B~Browse%20by%20Specialty~Surgery~8EELJZ0354

Look at CCI edits, especially where ultrasound can be billed IF unrelated to ablation procedure