###### D12 Benign neoplasm of colon, rectum, anus and anal canal
**D12.0 Caecum**

Ileocaecal valve

**D12.1 Appendix**

**D12.2 Ascending colon**

**D12.3 Transverse colon**

Hepatic flexure
Splenic flexure

**D12.4 Descending colon**

**D12.5 Sigmoid colon**

**D12.6 Colon, unspecified**

Adenomatosis of colon
Large intestine NOS
Polyposis (hereditary) of colon

**D12.7 Rectosigmoid junction**

**D12.8 Rectum**

**D12.9 Anus and anal canal**

**_Excl.: anal:_**

        - margin (D22.5, D23.5)

        - skin (D22.5, D23.5)
perianal skin (D22.5, D23.5)