Rectal Cancer CS Lymph Nodes
Code 10—Rectosigmoid Rectal Perirectal Para/pericolic Nodule in pericolic fat/ mesentery/mesocolic fat
Code 10—Rectum Rectal Perirectal Nodule in perirectal fat
For the rectosigmoid, code 10 is assigned when rectal, perirectal, or pericolic lymph nodes are involved or there is a nodule in pericolic fat/mesentary/mesocolic fat (note 2). Assign code 10 for rectum if rectal or perirectal lymph nodes are involved or there is a nodule in the perirectal fat (note 2).