In this procedure, the provider destroys a tumor in the rectum, or the end part of the large intestine that connects to the anus using a transanal approach, through the anus.

The Centers for Medicare & Medicaid Services offer a free search (CPT code lookup) for RVU for every CPT code. Users can also request a CPT/RVU Data File license from the AMA to easily import codes and descriptions into existing claims and medical billing systems.

A source of both diagnosis and procedure code information is a codebook. They are available for purchase or may be available at an academic or medical library. Several different publishers offer codebooks and they publish versions of various level of detail and guidance, such as Standard, Professional, and Expert.