D12
ICD-10Non-billable categoryBenign neoplasm of colon, rectum, anus and anal canal
Official ICD-10-CM descriptor (FY2026)
Benign neoplasm of colon, rectum, anus and anal canal
D12 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- benign carcinoid tumors of the large intestine and rectum (D3A.02-)
- polyp of colon NOS (K63.5)
More specific codes under D12
- D12.0Benign neoplasm of cecum
- D12.1Benign neoplasm of appendix
- D12.2Benign neoplasm of ascending colon
- D12.3Benign neoplasm of transverse colon
- D12.4Benign neoplasm of descending colon
- D12.5Benign neoplasm of sigmoid colon
- D12.6Benign neoplasm of colon, unspecified
- D12.7Benign neoplasm of rectosigmoid junction
- D12.8Benign neoplasm of rectum
- D12.9Benign neoplasm of anus and anal canal
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.